or mammillose, walls often incrassate. Specialized asexual reproduction occasional, by gemmae. Sexual condition usually gonioautoicous or dioicous, rarely
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or brownish. Stems irregularly branched; paraphyllia absent; rhizoids occasional on stem. Stem and branch leaves similar. Stem-leaves crowded, imbricate
8 KB (515 words) - 07:45, 30 July 2020
shortrectangular to elongate, walls firm. Specialized asexual reproduction occasional, as multicellular filamentous gemmae borne in axils or along stems, or
12 KB (480 words) - 06:59, 30 July 2020
asexual reproduction by gemmae occasional, usually spheric to elliptic, of 1–10 cells, usually borne in leaf-axils, occasionally on adaxial surface of costa
28 KB (1,343 words) - 07:04, 30 July 2020
fruit wall after ripening. 2n = 40, 42 (G), 50, 80. Phenology: Flowering (occasional) summer. Habitat: Mesotrophic to –eutrophic, quiet waters, in continental
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1-3-pinnately dissected, segments narrowly linear, margins entire or with occasional tooth. Inflorescences terminal, flowers solitary; bracts absent. Flowers
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within fruit wall after ripening. 2n = 40, 42, 50. Phenology: Flowering (occasional) spring–fall. Habitat: Mesotrophic to –eutrophic, quiet waters, in temperate
5 KB (409 words) - 00:53, 30 July 2020
ascending, sometimes prostrate or decumbent for much of their length, occasionally climbing, rarely floating; nodes prominent, sometimes concealed by the
35 KB (1,876 words) - 02:36, 30 July 2020
monoicous, occasionally rhizautoicous; perigonia and perichaetia terminal or occasionally lateral on short branchlets. Perigoniate plants occasionally smaller
28 KB (882 words) - 07:00, 30 July 2020
and slightly expanded tips; rachis with scattered glandular-hairs and occasional hairlike scales. Pinnae ovate-deltate to elliptic, longer than wide, abruptly
8 KB (642 words) - 00:24, 30 July 2020
Leaves 3–4, 30–85 cm; blade unkeeled, glaucous. Scape self-supporting, with occasional bends, 20 (rarely –90) cm, scabrous. Inflorescences umbellate, dense,
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strand present; outer pseudoparaphyllia narrow, triangular to lanceolate, occasional one broadly triangular; rhizoids or rhizoid initials at various points
8 KB (508 words) - 07:46, 30 July 2020
Capsules ellipsoid, to 1.6 cm. Seeds black, shining, smooth. 2n = 12 (plus occasional supernumerary chromosomes). Phenology: Flowering early–late spring. Habitat:
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spring–early summer, sometimes later following unseasonable rainfall. Habitat: Occasional in dry, rocky, limestone soils in chaparrals, usually growing under scrubby
5 KB (535 words) - 06:04, 30 July 2020
in mature portion narrowly triangular, 2–3.5 mm; margins entire or with occasional papillae; stomates present on both surfaces, numerous (35–60 per 1/2 leaf)
5 KB (461 words) - 00:29, 30 July 2020
papillae on both surfaces. Specialized asexual reproduction at the stem apex occasional, by deciduous or fragile propaguloid leaf tips, or by deterioration of
21 KB (1,511 words) - 07:02, 30 July 2020
leaves: blade oblanceolate, 1–2 cm (width 4–8 mm), margins entire or with occasional tooth, (apex acute). Racemes congested, (elongated in fruit, greatly exceeding
7 KB (786 words) - 11:55, 30 July 2020
abaxial surface, elliptic to short-linear, of 4–10 cells, 1-seriate or with occasional 2-seriate portions, smooth. Sexual condition autoicous; pergonial leaves
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oblong-lanceolate, 5–20 mm, leathery to herbaceous, glabrous except for occasional hairlike scales abaxially near midrib; margins recurved on fertile segments
8 KB (585 words) - 00:35, 30 July 2020
embryo peripheral, curved. x = 17, 12 (Eurasia), 18 (Eurasia); aneuploidy occasional. Introduced; temperate Eurasia, Africa, Pacific Islands, Australia, in
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base; blades occasionally pseudopetiolate, seldom disarticulating at maturity. Inflorescences terminal, sometimes also axillary, occasionally subterranean
21 KB (1,188 words) - 03:56, 30 July 2020
segments (subg. Clastomyelon). Leaves usually persistent through anthesis, occasionally persistent through growing season or longer, sometimes marcescent or
22 KB (1,627 words) - 10:29, 30 July 2020
reproduction occasional, of filiform uniseriate rhizoidal tubers. Sexual condition paroicous; antheridia typically naked or occasionally 1–2 small bracts
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more than 0.5 mm wide, margins fringed-ciliate. Venation mostly free with occasional areoles, never more than 1 included veinlet in fertile areoles. Sori round
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papillae 2 or rarely 3 per cell, conic, low. Specialized asexual reproduction occasional, by gemmae on leaves. Sexual condition cladautoicous. Seta 0.5–1.5 mm
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infolded leaf base, in transverse-section 2-stratose throughout, with occasional 3-stratose spots near the base or 2-stratose in the distal and 3–4-stratose
9 KB (829 words) - 06:52, 30 July 2020
simple, annual or long-lived, in terminal rosettes or occasionally cauline, sessile or occasionally pseudopetiolate; blade linear, lanceolate, oblanceolate
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oblanceolate or ovate. Flowers (1–) 2–30 (–100) per involucral structure, occasionally with stipelike base distal to articulations (Eriogonum); perianth accrescent
21 KB (927 words) - 10:29, 30 July 2020
Copyright: Flora of North America Association Inflorescences simple, with occasional branch from near base of flower; secondary branches usually absent. Phenology:
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Asparagus), sometimes sheathing; blade typically narrow and parallel-veined, occasionally broad and/or reticulate-veined. Inflorescences racemose, spicate, paniculate
29 KB (1,493 words) - 05:37, 30 July 2020
color; basal-cells rectangular, 3 (–5):1. Specialized asexual reproduction occasional, by multicellular gemmae borne on branching stalks in leaf-axils. Sexual
15 KB (1,140 words) - 06:56, 30 July 2020
immediately subtending calyx occasionally present. Pedicels present, or flowers sessile. Flowers bisexual or occasionally unisexual, radially symmetric;
29 KB (1,113 words) - 10:14, 30 July 2020
present. Inflorescences ebracteate, paniculate, racemose, or spicate (occasionally a single spikelet), if paniculate, often with spikelike branches; disarticulation
17 KB (1,499 words) - 04:33, 30 July 2020
America. Brachelyma, which is semi-aquatic with a strong single costa and occasional stem paraphyllia, appears to be the basal genus in the family. Fontinalis
9 KB (375 words) - 07:50, 30 July 2020
typically pilose proximally. Achenes brown, 2–2.5 (–3) mm, glabrous except for occasional papillate beak. Generated Map Legacy Map Ariz., Colo., N.Mex., Nev., Tex
15 KB (1,306 words) - 10:30, 30 July 2020
Pinnules dentate, sometimes deeply lobed; margins nonlustrous, thin, with occasional glands, lacking cilia or translucent projections. Vein tips usually enlarged
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pinnae with occasional multicellular gland-tipped hairs. Pinnae ascending, typically at acute angle to rachis, only proximal pinnae occasionally curving toward
7 KB (530 words) - 15:29, 15 December 2020
granite, rocky, open deciduous woods, thickets, dry ridges, cliffs, bluffs, occasional along streams Elevation: 50–500 m Generated Map Legacy Map Ark., Ill.
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distally with 2–3 adaxial cells; laminal cells smooth, 1-stratose with occasional 2-layered strands; basal laminal cells elongate, 25–60 × 8–10 µm, nodulose-sinuose;
12 KB (1,027 words) - 06:51, 30 July 2020
entire to occasionally denticulate distally, costa entire distally, percurrent to excurrent, smooth, in transverse-section semiterete, occasionally terete
11 KB (588 words) - 06:48, 30 July 2020
one another, walls smooth or papillose, KOH yellow or red, occasionally orange, occasionally yellow distally and red basally; costa with or without a differentiated
3 KB (461 words) - 07:08, 30 July 2020
and the pollen reward is relatively scanty. A few bees and flies are occasional visitors. Usually pollination of these species appears to be by wind or
9 KB (610 words) - 00:51, 30 July 2020
branched, usually with central strand, often densely radiculose, tips occasionally deciduous. Leaves in several rows around the stem, erect or secund, often
14 KB (515 words) - 06:54, 30 July 2020
Roots fibrous, principally adventitious. Stems (culms) usually trigonous, occasionally terete, rarely compressed, usually solid, rarely hollow or septate. Leaves
24 KB (775 words) - 01:21, 30 July 2020
persistent, occasionally persistent through growing season or longer, rarely quickly deciduous; blade glabrous or floccose to tomentose, occasionally also glandular
80 KB (1,352 words) - 10:29, 30 July 2020
linear, lanceolate, or triangular, occasionally plicate; base sometimes decurrent; margins often plane, occasionally recurved proximally or throughout,
15 KB (450 words) - 07:51, 30 July 2020
Parryi W. W. Smith is characterized by x = 22, involute leaf vernation, occasional white farina, leaves with obscure petioles, blades thick, glabrous, usually
25 KB (2,084 words) - 13:06, 30 July 2020
layers of efibrillose, inflated, thin-walled, nonornamented cells, with an occasional pore in the distal end of the outer wall of the superficial cell layer
6 KB (497 words) - 06:47, 30 July 2020
margins broad, transparent, entire to erose. Venation mostly free with occasional areoles, never more than 1 included veinlet in fertile areoles. Sori round
7 KB (595 words) - 00:33, 30 July 2020
apical leaves of stems julaceous; margins entire; laminae 1-stratose, occasional 2-stratose regions near costa in proximal part of leaf; costa subpercurrent
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shores and shallow waters of rivers, lakes, ponds, pastures, and ditches, occasional in tidal waters, or in deep flowing water with slow current Elevation:
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different from adjacent laminal cells. Specialized asexual reproduction occasional, by mullticellular ovoid to ellipsoidal gemmae borne on branched, rhizoidlike
7 KB (922 words) - 06:56, 30 July 2020
Mentioned on page 80. Plants annual, papillate with crystalline globules occasional, glabrous. Stems prostrate, branched, 1–4 dm. Leaves: petiole clasping
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infrequently unisexual or mixed, usually laterally compressed or not compressed, occasionally dorsally compressed, with 1-30 sexual florets, distal floret (s) often
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cells heterogeneous: subquadrate to shortrectangular or rhomboidal, with occasional diagonally transverse walls, longitudinally elongate especially distally
10 KB (1,022 words) - 07:08, 30 July 2020
although petal lengths of the two do not overlap, occasional larger-flowered var. alnifolia and occasional smaller-flowered var. semiintegrifolia occur, so
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the two data sets were attributed to reticulate evolution resulting from occasional intergeneric crosses. Arida blepharophylla is somewhat unusual within
13 KB (947 words) - 22:25, 29 July 2020
and blades, rarely absent or commonly of hairs, glands, and/or scales, occasionally of white or yellow farina. Veins pinnate or parallel in ultimate segments
15 KB (634 words) - 00:29, 30 July 2020
detectable abnormalities at meiosis. In subg. Dudleya and Stylophyllum an occasional rosette may reroot after breaking off or after the common stem dies and
13 KB (1,202 words) - 13:01, 30 July 2020
herbarium specimens; leaf blade carinate; cells of seed coat smooth, shiny; occasional introduction. Allium tuberosum 15 Bulbs 1–4+, ovoid, not attached to rhizome;
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weak, unable to support anthers; anthers with 2 pollen-sacs, extrorse, occasionally latrorse, usually dehiscing longitudinally [rarely apically]; ovary inferior
15 KB (556 words) - 06:04, 30 July 2020
and costae lacking gland-tipped hairs or bulblets; axils of pinnae with occasional multicellular, gland-tipped hairs. Pinnae usually perpendicular to rachis
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oblong-rhomboidal, 20–30 × 10–12 µm. Specialized asexual reproduction by occasional short brood branches in distal leaf-axils. Sexual condition dioicous;
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subject to periodic inundation, wet meadows, springs and lake margins, occasional in open tundra, beach ridges and roadside banks, low elevations Generated
4 KB (698 words) - 06:45, 30 July 2020
near apex to more than 20 µm at base, concave surface eporose except for occasional large round pores in proximal side regions. Sexual condition unknown.
4 KB (609 words) - 06:44, 30 July 2020
inflorescence leaflike, broadly attenuate, scabrous. Spikelets bisexual (an occasional terminal staminate spikelet), few flowered, 3–5 mm; staminate scales lanceolate
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4–35 cm; blade strongly keeled, ± glaucous. Scape self-supporting, with occasional bends, 30–80 (–90) cm, ± scabrous. Inflorescences racemose, very dense
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2-3×-parted, ultimate segments elliptic to linear, margins entire or with occasional teeth, apex obtuse to acuminate. Flowers: receptacle hispid; sepals spreading
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width, 1–2: 1, papillae 1–2 per lumen. Specialized asexual reproduction occasional, by elliptic gemmae. KOH laminal color reaction negative, yellow or black
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polygamodioecious, rarely dioecious, lanate to tomentose, floccose, or glabrous occasionally sericeous; taproot woody. Stems prostrate to erect, with persistent leaf-bases
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Rumex and Platypodium) or dioecious (subg. Acetosa and Acetosella), occasionally polygamomonoecious, with taproots and usually short caudex, or sometimes
41 KB (1,085 words) - 10:05, 30 July 2020
1963, 1963b, 1964). Most species are diploid (2n = 14) but there are occasional tetraploids (2n = 28); floating translocations are relatively common (Raven
10 KB (787 words) - 21:04, 7 June 2022
3, occasionally 2 or 5, distinct or sometimes connate proximally; stigmas 3, occasionally 2 or 5. Fruits capsules, opening by 3 or 5, occasionally 4 valves;
9 KB (538 words) - 10:03, 30 July 2020
usually open; auricles usually absent; abaxial ligules usually absent, occasionally present as a line of hairs; adaxial ligules membranous, sometimes also
17 KB (1,292 words) - 03:56, 30 July 2020
Treatment appears in FNA Volume 22. Treatment on page 211. Herbs, perennial, occasionally annual, usually rhizomatous, orsometimes cespitose. Culms round or flat
6 KB (223 words) - 00:53, 30 July 2020
present when costa ends before apex, stereid band 1, well developed or occasionally greatly reduced, guide cells present or absent, adaxial supracostal cells
20 KB (757 words) - 07:35, 30 July 2020
serrate, serrulate, or entire; apex gradually tapered or acuminate, occasionally piliferous from rounded-cucullate base; costa to (20–) 40–100% leaf length
28 KB (900 words) - 07:47, 30 July 2020
bilaterally or radially symmetric; sepals 3, sepaloid [occasionally petaloid], distinct or occasionally connate, usually subequal; petals 3, deliquescent,
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Fruits capsules, or rarely utricles (Scleranthus), opening by (2–) 3–6, occasionally 8 or 10 valves or (3 or) 6–10 teeth; carpophore present or often absent
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sepals usually imbricate, 3-6 (-20), distinct, often petaloid and colored, occasionally spurred; petals 0-26, distinct (connate in Consolida), plane, cupshaped
13 KB (392 words) - 08:32, 30 July 2020
2–3-stratose distally with 2 adaxial cells; laminal cells 1-stratose with occasional 2-stratose patched near the apex, smooth or slightly pseudopapillose;
9 KB (856 words) - 06:51, 30 July 2020
pale lemon yellow, or 2-colored, yellow distally with purple base, in occasional clones, flowers open or quickly fade to bright copper bronze, the particular
11 KB (879 words) - 05:29, 30 July 2020
outer occasionally filamentous; rhizoids or rhizoid initials on stem at or just below leaf insertions or from proximal abaxial costa, occasionally from
21 KB (586 words) - 07:42, 30 July 2020
red; costa with or without a differentiated abaxial epidermis; gemmae occasionally present, usually clavate. Peristome usually present. Nearly worldwide
4 KB (519 words) - 07:03, 30 July 2020
entire, dentate, sinuate, or serrate, apex acute to acuminate or obtuse, occasionally lobed. Inflorescences spicate and terminal or axillary glomerules; bracts
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a bottlenose-shaped beak, usually smooth, occasionally wrinkled, shiny, usually straw-colored, with occasional brown areas basally. 2n = 60. Generated Map
7 KB (951 words) - 03:18, 30 July 2020
lobed; margins nonlustrous, thin, densely glandular, lacking cilia but with occasional 1–2-celled translucent projections. Vein tips slightly (if at all) enlarged
8 KB (675 words) - 00:28, 30 July 2020
4–12 cm, lax and delicate, abaxial surface and rachis glabrous or with occasional glandular-hairs, adaxial surface glabrous. Pinna apex entire, rounded
7 KB (492 words) - 00:33, 30 July 2020
shallowly lobed; margins often lustrous adaxially, somewhat thickened, with occasional glands, appearing ciliate due to presence of multicellular translucent
7 KB (592 words) - 00:31, 30 July 2020
membrane 1/2 the total length, red. Spores 10–16 µm, papillose. Habitat: Occasional on bark of trees, rarely on rock Elevation: low to high elevations Generated
7 KB (885 words) - 07:12, 30 July 2020
Leaves cauline; sheaths shorter than the internodes, glabrous except for occasional hairs at the summit; collars glabrous, or with a few pilose hairs at the
8 KB (817 words) - 03:54, 30 July 2020
scalelike or if leaflike then similar to basal leaves only reduced, occasionally deciduous in early anthesis, with or without awns. Involucres cylindric
6 KB (749 words) - 10:54, 30 July 2020
forming cushions, green, occasionally blackish green distally, yellowbrown to dark-brown proximally. Stems usually to 2 cm, occasionally branching; rounded-pentagonal
26 KB (1,447 words) - 07:08, 30 July 2020
branch ends; blade linearlanceolate, expanded basally, usually rigid, occasionally fleshy, margins entire or denticulate, often filiferous and separating
17 KB (687 words) - 06:11, 30 July 2020
cylindric to compressed, borne spicately or digitately at ends of rays (occasionally proliferous). Flowers bisexual [rarely unisexual], in axils of distichous
7 KB (420 words) - 01:32, 30 July 2020
perennial, terrestrial, on rock, or often epiphytic, erect, arching, or occasionally pendent. Stems long to short-creeping, branched or not, bearing scales
9 KB (348 words) - 00:33, 30 July 2020
base of overhanging boulders in drainages and on slopes and roadbanks. Occasional plants in which the farina is nearly absent may be encountered. These
4 KB (403 words) - 00:34, 30 July 2020
lemmas with awns 3.4-6.8 mm long; in the Flora region, known only as an occasional escape from lawns and experimental plots in Florida Opizia 71 All spikelets
34 KB (1,217 words) - 04:33, 30 July 2020
across an interspecific barrier which is manifest in the production of an occasional hybrid. Between the two extremes there can be every intermediate stage
5 KB (1,024 words) - 06:07, 30 July 2020
thin stalks and slightly expanded tips; rachis with glandular-hairs and occasional hairlike scales. Pinnae ovate-deltate to elliptic, longer than wide, abruptly
8 KB (598 words) - 00:27, 30 July 2020
useful. Ficus pseudocarica Miquel was cited by P. A. Munz (1974) as an occasional escape in the Santa Barbara region. It is not cited by other workers,
8 KB (474 words) - 08:43, 30 July 2020
twisted, or otherwise contorted, occasionally disarticulating at maturity; paleas shorter than the lemmas, 2-veined, occasionally absent; anthers 1 or 3. Caryopses
23 KB (1,150 words) - 04:51, 30 July 2020
Volume 2. Treatment on page 246. Plants perennial, terrestrial or on rock, occasionally hemiepiphytic or epiphytic. Stems creeping to erect, rarely arborescent
15 KB (567 words) - 00:33, 30 July 2020
-stratose with 2–3 adaxial cells distally; laminal cells 1-stratose with occasional 2-stratose strands near the apex, smooth to pseudopapillose; basal laminal
15 KB (1,371 words) - 06:51, 30 July 2020
pubescent. Stems erect, ascending, decumbent, or prostrate, usually branched, occasionally simple or nearly so; without nodal spines (except in A. spinosus). Leaves
32 KB (1,366 words) - 09:41, 30 July 2020
are largely pollen and seed sterile; pentaploids (2n = 35) are probably occasional hybrids (S. Erlandsson 1942, 1942b; A. Rousi 1965). A. Kurtto et al. (in
10 KB (1,044 words) - 13:54, 30 July 2020
formosa var. truncata; occasional plants of var. hypoplasia from the Peninsular Ranges may be almost glabrous, and occasional plants of var. truncata
3 KB (454 words) - 08:29, 30 July 2020
or axillary hairs regarded as stipular); blade margins mostly entire, occasionally dentate to crisped. Inflorescences axillary or terminal, cymose, racemose
13 KB (722 words) - 09:43, 30 July 2020
x = 8. Introduced; w Europe, nw Africa Species 3–4 (2 in the flora). Occasional garden escapes of Hyacinthoides occur in North America. Although the species
6 KB (397 words) - 06:00, 30 July 2020
3–5-locular; styles 3 or 5, occasionally 4 (absent in staminate flowers), filiform, 1.5–20 mm, glabrous proximally; stigmas 3 or 5, occasionally 4, linear along adaxial
36 KB (1,364 words) - 10:24, 30 July 2020
glomerata are primarily bisexual, each bearing one to four or more stamens. An occasional plant bears only staminate flowers. Pistillate flowers are rare and no
6 KB (377 words) - 11:42, 30 July 2020
and shampoos. The species is cultivated in extreme southern Texas, where occasional seedlings arise from seeds discarded in waste places or dumps but are
7 KB (504 words) - 12:04, 30 July 2020
simple-stemmed species occasionally are branched. White flowers may occur in otherwise blue-flowered species, and vivipary occasionally occurs. Furthermore
23 KB (1,162 words) - 06:04, 30 July 2020
cauline blades. Inflorescences terminal, 2-100 (-more) -flowered racemes (occasionally branched, thus technically panicles), 5-40 cm or more; bracts subtending
9 KB (574 words) - 08:34, 30 July 2020
extrafloral nectaries (Fallopia, Muehlenbeckia); blade simple, margins entire, occasionally crenulate, crisped, undulate, or lobed, rarely awn-tipped (Goodmania)
23 KB (1,508 words) - 10:29, 30 July 2020
simultaneously in late season, especially northward and at higher elevations. Occasional plants have only staminate flowers. Mature fruits are needed for identification
9 KB (851 words) - 00:57, 30 July 2020
contracted or spikelike panicles; disarticulation usu¬ally above the glumes, occasionally below the pedicels. Spikelets with 1 (2-3) florets. Glumes usually (0)
42 KB (1,621 words) - 04:38, 30 July 2020
3: 1, walls firm to often incrassate. Specialized asexual reproduction occasional, by leaf-axil gemmae, brown. Sexual condition dioicous. Seta 1–3 (–4)
10 KB (852 words) - 07:38, 30 July 2020
Volume 12. Treatment on page 3. Mentioned on page 4, 20. Vines or lianas, occasionally shrubby [trees], synoecious, dioecious, or polygamomonoecious; commonly
10 KB (550 words) - 18:21, 29 July 2020
connate proximally into tube, tube cylindrical, ovoid, or campanulate, occasionally globose or urceolate, soft, limb lobes similar; perianth appendages arising
9 KB (482 words) - 06:02, 30 July 2020
on roots of native or hybrid walnuts (see discussion under J. hindsii). Occasional seedlings of J. regia have been reported from the vicinity of cultivated
10 KB (556 words) - 08:22, 30 July 2020
Kentucky, occasional in Arkansas, Louisiana, and Missouri > 3 3 Leaves glabrous; Virginia to n Florida, w to West Virginia, Kentucky and occasionally to s Missouri
9 KB (809 words) - 21:35, 29 July 2020
± linear, the terminal ± equaling laterals; ligules longer than tubes; occasional, mostly historic on ballast Sonchus tenerrimus 4 Cauline leaf base auricles
9 KB (535 words) - 20:13, 29 July 2020
dasycarpa) occupy littoral habitats; migratory shorebirds probably facilitate occasional long-distance dispersal of their light cypsela-palea complexes (A. Cronquist
10 KB (639 words) - 20:39, 29 July 2020
to linear-lanceolate, pinnate-pinnatifid proximally, glabrous or with occasional sessile glands, never viscid; rachis glabrous. Proximal pinnae fan-shaped
7 KB (501 words) - 00:23, 30 July 2020
Mentioned on page 378, 381. Herbs, perennial, 20–70 cm, glabrous except for occasional hairs near nodes. Stems erect or spreading, branching at base and in inflorescence
7 KB (533 words) - 18:18, 29 July 2020
on page 36. Mentioned on page 35. Plants 1–3 m. Stems: spines at nodes occasional, 1 (–3), 1–10 mm. Leaf-blades broadly ovate, sometimes lateral lobes again
5 KB (498 words) - 13:08, 30 July 2020
farinose. Inflorescences glomerules in loose or dense compound spikes, occasionally cymes. Seeds usually less than 1.5 mm diam., margins rounded or acute;
3 KB (512 words) - 09:30, 30 July 2020
stellate hairs, or rarely hairs lacking. Sori inframedial to supramedial, occasionally nearly marginal, round or oblong, rarely elongate along veins; indusia
7 KB (310 words) - 00:34, 30 July 2020
spruce (P. glauca) and red spruce (P. rubens) are less commonly infected. Occasional to rare hosts include Abies balsamea, Larix laricina, Pinus banksiana
7 KB (628 words) - 18:33, 29 July 2020
while C. chromosa has wider, red inflorescences and longer corollas. Occasional hybrids between var. dubia and C. sessiliflora are known from northeastern
4 KB (628 words) - 18:50, 29 July 2020
of the range. Although usually distinct from the western subsp. lugens, occasional eastern plants are not distinguishable based on morphology. The ecology
5 KB (702 words) - 02:02, 30 July 2020
Family Treatment appears in FNA Volume 2. Treatment on page 352. Trees (occasionally shrubs), evergreen (annually deciduous in Larix), resinous and aromatic
13 KB (769 words) - 00:23, 30 July 2020
stacked directly over one another, walls smooth or papillose, KOH yellow, occasionally orange; costa lacking a differentiated abaxial epidermis; gemmae uncommon
3 KB (447 words) - 07:01, 30 July 2020
usually widest at or near base, apex short-attenuate; rachis and costae with occasional unicellular, gland-tipped hairs, with or without bulblets (usually misshapen);
8 KB (685 words) - 00:24, 30 July 2020
invested with unicellular, gland-tipped hairs, occasionally with misshapen bulblets; axils of pinnae with occasional multicellular, gland-tipped hairs. Pinnae
7 KB (567 words) - 00:27, 30 July 2020
arborvitae) and T. standishii (Gordon) Carrière (Japanese arborvitae), are occasional in cultivation. They differ from the native species in having more closely
5 KB (372 words) - 00:34, 30 July 2020
Glaucium flavum has spread far beyond that range as a ballast waif and occasional garden escape. It should be expected elsewhere in the flora. None. None
5 KB (371 words) - 08:23, 30 July 2020
entire [rarely toothed], surfaces glabrous or hairy; venation pinnate, occasionally inconspicuous. Cyathial arrangement: solitary or in terminal monochasia
16 KB (581 words) - 18:23, 29 July 2020
Plants acaulescent (occasional short-caulescent individuals sometimes present in a population) > 2 1 Plants caulescent (occasional acaulescent individuals
15 KB (1,232 words) - 19:58, 29 July 2020
ciliolate or ciliate, cilia sometimes longer than the membranous base, occasionally of hairs or membranous and non-ciliate; blades flat, folded, or involute
33 KB (1,388 words) - 03:56, 30 July 2020
branched. Leaves evergreen in rosette; blade light green to green and occasionally with lighter patterns of white (“cross-zoned”) or imprinted with white
24 KB (1,110 words) - 06:12, 30 July 2020
adaxially, grooves ± continuous from rachis to costae; indument of glandular (occasionally nonglandular) hairs on both surfaces, rarely absent. Veins free, simple
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sori round to oval, discrete; stem scales lanceolate-attenuate, with only occasional hairs. Pleopeltis polylepis var. erythrolepis 3 Mature blade scales distinctly
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flexuose, strongly spinulose > 7 6 Leaf margins usually 1-stratose with occasional 2-stratose spots and not lumpy distally; awns soft, usually flexuose and
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resinous glands; pith triangular in cross-section. Leaves 3-ranked, occasionally nearly 2-ranked. Staminate flowers: perianth of 4 (–6) sepals, well defined
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innovations elongate and evenly foliate; specialized asexual reproduction occasional, by leaf axil gemmae. Ptychostomum pseudotriquetrum 3 Sexual condition
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absent; turions present or absent. Stems terete or compressed, nodes occasionally with oil-glands; turions with extremely shortened internodes, divided
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decurrent; margins usually recurved in proximal 1/2–2/3, occasionally plane throughout, entire or occasionally weakly denticulate near apex; lamina 1-stratose;
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to long, sometimes complanate-foliate, unbranched or irregularly 2- to occasionally multifid when sterile; rhizoids few-to-many, pigmented, smooth to papillose
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fruit, or flowers sometimes subsessile (C. regelii). Flowers bisexual, occasionally unisexual and pistillate; perianth and androecium hypogynous or weakly
21 KB (1,044 words) - 10:15, 30 July 2020
Diptera: Syrphidae: Milesiinae) are especially common on inflorescences, with occasional visits from the widespread flower fly, Toxomerus geminatus (Diptera: Syrphidae:
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the state of Florida. Like Serenoa repens, Acoelorraphe is tolerant of occasional burning. It is probably bee-pollinated, and the seeds are dispersed by
5 KB (639 words) - 00:59, 30 July 2020
1 Inflorescences simple, with occasional branch from near base of flower Luzula acuminata var. acuminata 1 Inflorescences usually branching, with pedicels
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small (less than 0.3 mm diam.), occasionally ephemeral, sometimes absent; sporangial capsules glabrous or occasionally hairy. x = 27, 29, 31, 32, 33, 34
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sharply incurved, entire to crenulate-notched or occasionally dentate in the distal 1/2–3/4, occasionally with a narrow, less papillose border; apex narrowly
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being illegitimate. C. A. Hanson (1962) noted the similarity between the occasional wingless fruiting bracteoles of Atriplex canescens and A. gardneri var
8 KB (966 words) - 09:39, 30 July 2020
sheathing base; blade simple or compound [occasionally perforate], elliptic to obovate or spatulate, occasionally sagittate-cordate, larger than 1.5 cm; venation
14 KB (1,075 words) - 00:56, 30 July 2020
bisexual; usually densely to loosely cespitose, with or without rhizomes, occasionally stoloniferous. Culms 5-150 (275) cm, usually glabrous and smooth throughout
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Leaf-blade: unlobed (unlobed or lobed in Sassafras), margins entire, occasionally with domatia (crevices or hollows serving as lodging for mites) in axils
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John Myers Copyright: Flora of North America Association Plants on rock, occasionally terrestrial or epiphytic. Stems creeping, usually branched, 3–15 mm diam
13 KB (793 words) - 00:23, 30 July 2020
or adnate to petiole; blade flat, terete, or triquetrous (3-angled), occasionally scalelike. Inflorescences axillary or terminal, flowers solitary or in
17 KB (1,102 words) - 09:13, 30 July 2020
mats, green, brown, yellowish, olive green, less often blackish brown or occasionally jet-black. Stems erect, decumbent or creeping, much dichotomously to
13 KB (864 words) - 06:51, 30 July 2020
at first, pubescence not recorded, 1-year old dull redbrown, marked by occasional large, oblong lenticels, 2-years old light gray-brown; thorns on twigs
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tips), glabrous; spines at nodes (1–) 3, 4–11 mm; prickles on internodes occasional. Leaves: petiole 1–2.5 cm, pilose and with long-stalked glands, proximal
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nonlustrous, thin, with occasional glands, lacking cilia, with 1–2-celled translucent projections on teeth. Vein tips occasionally enlarged to form whitish
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granulose-papillose papillose. Phenology: Capsules mature spring–summer. Habitat: Soil, occasional saline soil, clay Elevation: moderate to high elevations (500-3900 m)
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papillae 1 or 2 per cell, conic, small. Specialized asexual reproduction occasional, by gemmae on leaves. Sexual condition autoicous. Vaginula with hairs
9 KB (676 words) - 07:53, 30 July 2020
glabrous. Pinnules entire or broadly crenate; margins nonlustrous, thin, with occasional isolated cilia, lacking translucent projections. Vein tips often enlarged
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perigynous; hypanthium cup or disc-shaped; sepals (4–) 5, distinct, green, occasionally purple-tinged (S. irrigua) or red proximally (S. pallida), lanceolate
21 KB (985 words) - 10:17, 30 July 2020
Leaves usually spirally arranged, forming water-impounding rosette, occasionally lax and/or 2-ranked, simple, margins serrate or entire, trichomes nearly
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green, usually hidden but occasionally exposed and forming visible green star at adaxial base of perianth; sepals 3, occasionally ridged abaxially, 3.1–12
37 KB (2,628 words) - 05:42, 30 July 2020
excurrent as an apiculus, mucro or short awn, occasionally only percurrent, adaxial outgrowths occasionally present as a pad of enlarged parenchymatous cells
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usually borne in alternating cycles; hardened scales and phyllopodia occasionally surrounding leaves. Sporangia solitary, adaxial, embedded in basal cavity
6 KB (283 words) - 00:35, 30 July 2020
perennial, deciduous, synoecious [dioecious]; hairs unbranched or 2-armed (occasionally 1 arm absent). Leaves usually opposite, sometimes alternate, simple;
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patch, sometimes proximal 2/3 white-indurate (apices occasionally squarrose, obtuse or acute, occasionally mucronate), faces glabrous or densely villous to
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except Chaenactis macrantha, C. cusickii, and C. nevii appear to form occasional natural hybrids where sympatric. Chaenactis macrantha and C. cusickii
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acuminate; costa not reaching apex to long-excurrent, awn present, apiculus occasionally present, guide cells usually in 1 layer; alar cells quadrate; laminal
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glands that senesce into white flakes. Leaves simple, usually alternate, occasionally opposite, lacking stipules, petiolate or sessile, sometimes reduced to
21 KB (878 words) - 09:28, 30 July 2020
differentiated to ovate or rectangular, occasionally half-sheathing; distal margins usually sharply incurved, occasionally merely erect, seldom plane, entire;
18 KB (1,487 words) - 07:02, 30 July 2020
either 2–3 valvate scales (stipules) or few-to-many imbricate scales (or occasionally naked); terminal bud absent. Leaves alternate, spirally arranged, 2–3-ranked
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to weakly incurved, seldom recurved; laminal cells short throughout or occasionally elongate in leaf base, 1-stratose or 2- to multistratose. Specialized
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Trees, shrubs, or subshrubs, usually synoecious, terrestrial, unarmed, occasionally clonal by root sprouts; young growth usually glandular, usually aromatic
15 KB (668 words) - 21:04, 7 June 2022
teeth; this condition is frequent in A. incarnata in North America and occasional in A. choisyi in South America. The three bilaterally symmetric flowers
8 KB (568 words) - 09:12, 30 July 2020
light brownish, rarely dark-colored. Stems green, brown, dark-brown to occasionally pinkish in parts, superficial cortex of 0–4 layers of efibrillose, nonornamented
17 KB (673 words) - 06:50, 30 July 2020
teeth never recurved; apex abruptly or gradually tapered or acuminate, occasionally piliferous; costa to 40–80% leaf length, moderate to somewhat stout,
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branched, occasionally tomentose; central strand absent or weakly differentiated. Leaves oblong, elliptic, narrowly spathulate or occasionally lanceolate;
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eastern North America. It exists as fertile diploids and tetraploids with occasional sterile triploids. Diploid cytotypes are prevalent in western localities
6 KB (461 words) - 00:27, 30 July 2020
apices evidently 3-awned; awn bases often forming a column, lateral awns occasionally reduced or absent; paleas less than 1/2 as long as the lemmas; lodicules
11 KB (771 words) - 04:51, 30 July 2020
incurved hairs, pubescence often concentrated at nodes and distally (hairs occasionally in 2 bands along opposite sides of stem); leaf blades usually sparsely
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varieties with dense inflorescences do not exhibit evident pedicels, the occasional plant does bear one or more pedicels to 1–2 mm, sometimes in secondary
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occurring over a wide area, Myosoton aquaticum is often noted as rare or occasional in particular states or provinces. Very few collections of this species
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Subspecies subcordata is known from Santa Cruz and Santa Rosa islands. Occasional mainland glandular-hairy individuals occur in mixed populations with subsp
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San Luis Obispo coast and Santa Rosa Island. In mainland populations, occasional glandular-hairy individuals may be found, suggesting introgression with
4 KB (696 words) - 13:15, 30 July 2020
flexuose, smooth or papillose (serially or 1-papillose); medial cells occasionally linear. Branch leaves smaller, narrower; alar cells less strongly differentiated
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host. Less frequent, but reliable, reports of other hosts are noted as occasional hosts. Localized shifts in host preference in Orobanche species may reflect
22 KB (1,669 words) - 19:24, 29 July 2020
scabrous, or pubescent; ligules membranous, erose to lacerate or ciliate, occasionally absent; blades, particularly those of the basal leaves, often with long
21 KB (1,159 words) - 04:42, 30 July 2020
Ptychophyllum). Inflorescences terminal, panicles, usually dense and spikelike, occasionally loose and open; disarticulation usually below the glumes, spikelets falling
17 KB (1,129 words) - 04:14, 30 July 2020
Staminate flowers: calyx 2-6-lobed; anthers usually somewhat apiculate, occasionally retuse. Pistillate flowers: calyx adnate to ovary, not forming flange;
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Herbs, annual, with dendroid (branched), sometimes almost stellate hairs, occasionally glabrous, or becoming glabrous at maturity. Stems erect or ascending
17 KB (1,353 words) - 09:33, 30 July 2020
Webb and R. J. Gornall 1989). The stigmas and styles are typically two; occasional flowers on plants in some species have three or, rarely, four stigmas
21 KB (1,151 words) - 12:59, 30 July 2020
of Nymphaea], diurnal or nocturnal, borne at or above water surface, occasionally submersed; peduncle long; involucre absent; perianth often persistent
8 KB (248 words) - 08:31, 30 July 2020
to require a limited amount of salt and, the tetraploids in particular, occasional submersion in water, although they do not grow well in permanently waterlogged
8 KB (655 words) - 09:39, 30 July 2020
panhandle of Florida, adjacent Alabama, and east-central Georgia, and occasional in southern South Carolina. J. B. Pettengill and M. C. Neel (2011) showed
8 KB (611 words) - 19:31, 29 July 2020
other species in North America. V. B. Baird (1942) suggested that the occasional presence of two cleistogamous flowers in the axil of the same leaf may
9 KB (765 words) - 11:16, 30 July 2020
achenes and floral scales, and tubercles often less than 0.5 mm wide, are occasional in the East and are easily confused with E. ovata and E. aestuum. A few
8 KB (871 words) - 01:30, 30 July 2020
black, often with yellow, orange, or red tones. Leaves ovatelanceolate, occasionally ovate-triangular, less commonly lanceolate to linear-lanceolate or elliptical
22 KB (1,082 words) - 06:48, 30 July 2020
spikelike racemes, with 1-5 sessile or subsessile spikelets per node, occasionally panicles, sometimes with morphologically distinct sterile and bisexual
19 KB (1,548 words) - 02:55, 30 July 2020
with or without awns. Involucres cylindric, campanulate, or urceolate, occasionally ventricose basally, 3-angled, 6-ribbed, 6-toothed, with or without membranous
5 KB (762 words) - 10:54, 30 July 2020
sometimes racemes in depauperate specimens, erect to nodding, open to dense, occasionally 1-sided; branches usually ascending to spreading, sometimes reflexed
16 KB (1,697 words) - 02:52, 30 July 2020
stipules usually present, occasionally absent, at base of petiole; petiole present, glabrous or hairy; blade monomorphic (occasionally polymorphic in E. cyathophora
13 KB (653 words) - 18:23, 29 July 2020
may, in fact, be a mixture of plants of two different species with an occasional sterile hybrid added to the mix. This can result in herbarium collections
21 KB (1,760 words) - 13:05, 30 July 2020
acute, or acuminate; ecostate to costa percurrent, sometimes 2-fid, occasionally sinuate distally; alar cells shorter than laminal cells, isodiametric
16 KB (613 words) - 07:45, 30 July 2020
auricles sometimes present; ligules hyaline, glabrous, often lacerate, occasionally ciliate, those of the lower and upper cauline leaves usually similar;
12 KB (1,001 words) - 03:20, 30 July 2020
unisexual, staminate and pistillate on same or different plants, small, occasionally on flattened torus, more often enclosed within fleshy, flask-shaped receptacle
9 KB (490 words) - 08:32, 30 July 2020
rarely erect, to 20 cm; rhizoids brown, macronemata mainly proximal, occasionally along underside of sterile stems, micronemata present. Leaves green or
15 KB (750 words) - 07:41, 30 July 2020
strigose, silky-pubescent, or glandular-puberulent, occasionally glabrous [tomentose]; taproot woody occasionally chambered. Stems erect, with persistent leaf-bases
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scabrous or glabrous mature, midveins and primary-veins villous with occasional white hairs. Inflorescences 6–17-flowered; branches sparsely villous;
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of these differences, the two groups are closely related and linked by occasional intersubgeneric hybridization between C. covillei (subg. Physapteris)
22 KB (1,068 words) - 00:28, 30 July 2020
deciduous; margins at the base erect and entire, recurved beyond the base or occasionally throughout, nearly entire or evenly to coarsely serrulate in the distal
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abaxially, in 2 rows, usually in unequally pedicellate groups of 2-5, occasionally borne singly. Spikelets 1.2-8.2 mm, lanceoloid to ellipsoid, dorsally
23 KB (1,318 words) - 03:56, 30 July 2020
scale pistillate, distal fertile scales staminate or sometimes empty; occasionally some spikelets entirely pistillate or staminate. Flowers unisexual; perianth
13 KB (648 words) - 01:45, 30 July 2020
symmetric or asymmetric, flat or undulate, crisped or slightly plicate; base occasionally auriculate, basal lobes absent (small lobe present at adaxial base of
14 KB (449 words) - 07:55, 30 July 2020
Volume 2. Treatment on page 223. Plants perennial, mostly terrestrial, occasionally on rock or epiphytic. Stems creeping to suberect or ascending, sometimes
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Flowers usually unisexual, occasionally bisexual, staminate and pistillate flowers usually on different plants, occasionally on same plants; perianth absent
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delilei Richter & Loret), with bracts 1–1.5 times as long as tepals. Occasional forms morphologically intermediate between Amaranthus retroflexus and
10 KB (812 words) - 09:41, 30 July 2020
acicularis seem to be amply distinct; putative hybrids are unknown. The occasional plants of E. bella with evident rhizomes, which include the type, are
7 KB (668 words) - 01:30, 30 July 2020
abruptly apiculate; costa excurrent in a stout, sharp apiculus, occasionally as a short, occasionally dentate awn, adaxial outgrowths absent in American species
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lanceolate to broadly ovate, thinly papery or scarious, translucent, occasionally thin and green. Flowers bisexual, chasmogamous; perianth radially symmetric
12 KB (544 words) - 09:13, 30 July 2020
or seldom 2-stratose; papillae solid or occasionally hollow, 2-fid, or 4–6 projections per lumen (occasionally flattened or compound), cell-walls evenly
14 KB (935 words) - 07:06, 30 July 2020
the specimens that I have examined were collected 60–70 years ago, but occasional ones have been collected recently from Massachusetts; it is not known
22 KB (1,325 words) - 12:26, 30 July 2020
absent; pseudoparaphyllia foliose. Leaves erect to erect-spreading or occasionally squarrose, often homomallous, usually imbricate, concave, stem-leaves
6 KB (205 words) - 07:46, 30 July 2020
forming basal rosette or alternate on elongate stem, blade linear to occasionally oblanceolate, base sheathing, margins entire; petiolate leaves floating
7 KB (223 words) - 05:18, 30 July 2020
hairs often borne on veins or leaf margins. Veins free and divergent, occasionally present as unattached false veins. Sori marginal on vein ends, enclosed
8 KB (452 words) - 00:31, 30 July 2020
Plants of Berberis nervosa are usually very low (commonly 0.1-0.3 m), but occasional plants may be considerably taller (to 2 m). One such population from north
7 KB (553 words) - 08:33, 30 July 2020
weed in the continental United States because it cannot survive frost nor occasional desiccation. A similar, closely related species, Passiflora mixta Linnaeus
7 KB (562 words) - 11:20, 30 July 2020
sporadically in Michigan and Ohio along with other coastal plain disjuncts. Occasional sterile hybrids with C. venusta have been confirmed in Florida, North
4 KB (775 words) - 02:11, 30 July 2020
Elevation: 0-1800 m Generated Map Legacy Map B.C., Calif., Oreg., Wash. The occasional occurrence of sterile pollen has been noted in this as well as in other
5 KB (534 words) - 12:55, 30 July 2020
fruiting pedicels make Thysanocarpus radians a very distinctive species. Occasional plants in northern California appear to be hybrids between T. curvipes
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small heads. Rarely, some specimens have slightly broader leaves with an occasional tooth, perhaps due to introgression with B. halimifolia. None. None. window
6 KB (579 words) - 22:22, 29 July 2020
Legacy Map N.W.T., Yukon, Alaska, Asia (Russian Far East), Asia (Siberia) Occasional plants without feathery hairs identified as Dryas ajanensis subsp. beringensis
6 KB (597 words) - 14:15, 30 July 2020
than C. cordifolium and C. giganteum, which aids in separating it from occasional specimens of the other two that have some leaves with a slightly shorter
5 KB (553 words) - 07:46, 30 July 2020
America (Honduras) Cultivated and escaped in Florida, Jacquinia arborea is occasional in disurbed coastal communities of Broward and Miami-Dade counties and
6 KB (425 words) - 13:05, 30 July 2020
with glandular and eglandular hairs. I have seen this character in an occasional specimen of T. bracteata but never in T. virginiana. Tradescantia bracteata
7 KB (508 words) - 00:55, 30 July 2020
sonchifolia is a pantropical weed of Asiatic origin and should be expected as an occasional escape in the flora. D. H. Nicolson (1980) treated the eastern Asian representatives
5 KB (603 words) - 21:21, 29 July 2020
or serrulate, limbidia absent; apex broadly rounded, obtuse, or acute, occasionally apiculate from obtuse or rounded apex, sometimes blunt from acute apex
17 KB (800 words) - 07:42, 30 July 2020
N.C., Ohio, Pa., R.I., S.C., Tenn., Vt., Va., W.Va. Variety album is occasional throughout the range stated above and is almost the only variety of Trillium
4 KB (836 words) - 05:18, 30 July 2020
or emersed, glabrous to sparsely pubescent; rhizomes often present, occasionally terminated by tubers; stolons often present; corms absent; tubers white
14 KB (539 words) - 00:58, 30 July 2020
distant or crowded, occasionally secund, 1–1.5 (–2) mm, appressed-incurved when dry, spreading when moist; ligulate to lanceolate, occasionally triangular or
13 KB (907 words) - 07:03, 30 July 2020
stemless to long caulescent. Leaves mostly many-ranked, rosulate, or occasionally 2-ranked and/or laxly arranged; blade linear to triangular or ligulate
9 KB (299 words) - 01:00, 30 July 2020
laminal cells ovate to elliptic, smooth, rarely singly papillose, or occasionally prorate, walls thick; basal-cells longer. Sexual condition dioicous;
8 KB (303 words) - 07:54, 30 July 2020
vaginulae with paraphyses or naked. Seta long, smooth. Capsule ± horizontal (occasionally inclined in Loeskypnum), cylindric, curved; stomata long-pored; annulus
12 KB (455 words) - 07:46, 30 July 2020
medially, occasionally across leaf, rectangular, 2–6: 1, walls of proximal cells thin to evenly thickened, occasionally porose, hyaline or occasionally orange;
14 KB (930 words) - 07:06, 30 July 2020
or leaflike, sheathless or short-sheathing; lateral spikes pistillate, occasionally androgynous, or the distal 1–3 staminate, pedunculate or subsessile,
16 KB (761 words) - 02:00, 30 July 2020
Atriplex Elevation: (100–)500–1100 m Generated Map Legacy Map Calif., Nev. Occasional, sparsely hirtellous plants may reflect genetic influence of var. spinosus
3 KB (448 words) - 21:46, 29 July 2020
Legacy Map Introduced; Mass., N.Y., Europe Inula salicina is probably an occasional escape from garden trash and not truly established in the flora. None
4 KB (417 words) - 20:42, 29 July 2020
species derived from hybridization between A. californica and A. densa. Occasional sterile backcrosses are found. Generally on serpentine slopes, in crevices
4 KB (377 words) - 00:24, 30 July 2020
Map Introduced; Ont., Que., N.Y., Europe Inula brittanica is probably an occasional escape from garden trash and not truly established in the flora. None
5 KB (431 words) - 20:42, 29 July 2020
Mentioned on page 3, 5. Lianas, climbing by tendrils, sprawling, or occasionally shrubby, functionally dioecious (synoecious in V. vinifera). Branches:
14 KB (773 words) - 18:13, 29 July 2020
longitudinal rows, micronemata present or absent. Leaves green, dark green, or occasionally reddish, reddish-brown, or yellow-green, somewhat contorted when dry
12 KB (627 words) - 07:41, 30 July 2020
and styles are typically two (except for three in Micranthes texana); occasional flowers on plants in some species may have three or, rarely, four stigmas
27 KB (988 words) - 13:15, 30 July 2020
reaction yellow, occasionally red or orange in spots medially near apex or at leaf base. Nearly worldwide, dry climate, soil or occasionally rock Species 12
13 KB (840 words) - 07:10, 30 July 2020
cm, usually ascending to erect, often geniculate at the lower nodes, occasionally prostrate and rooting at the lower nodes, often branching at the aerial
14 KB (1,093 words) - 04:44, 30 July 2020
medium-sized, tufted, gregarious. Stems short, irregularly branched, occasionally with tomentum on proximal stem or throughout; in transverse-section rounded
10 KB (472 words) - 06:46, 30 July 2020
species hybridize, especially within the T. erectum group. Hybrids and the occasional anomalous, odd-sized, or diseased individuals are not keyed here. Morphologically
30 KB (822 words) - 06:13, 30 July 2020
Inflorescences paniculate, rarely racemose, 3–18 dm; bracts caducous or occasionally persistent. Flowers 2–5 per node, functionally unisexual, pistillate
10 KB (569 words) - 06:10, 30 July 2020
Urochlaena Nees), usually paniculate, sometimes racemose or spicate, occasionally a single spikelet; disarticulation usually above the glumes and between
13 KB (931 words) - 04:50, 30 July 2020
longitudinal edges or irregularly polygonal (angular or rounded), not winged (occasionally winged in M. lindleyi); seed-coat cells polygonal, ± isodiametric, anticlinal
16 KB (899 words) - 18:19, 29 July 2020
margins broadly recurved to revolute, occasionally plane or weakly incurved, commonly serrulate near apex, occasionally entire, distal 1/4–1/3 of leaf usually
13 KB (802 words) - 07:10, 30 July 2020
serve, in combination, to distinguish a given taxon from another, but the occasional (if not frequent) specimen will be found that keys to a given regional
12 KB (1,066 words) - 22:22, 29 July 2020
laminal cells slightly elongate (3–4:1) to linear (10–20:1), smooth (occasionally prorate abaxially in S. starkei), walls thin to moderately thick; basal
14 KB (698 words) - 07:49, 30 July 2020
stamens 5; filaments distinct or briefly connate proximally; styles 3, occasionally 2, connate proximally for 1/2 of length, rarely to nearly distinct (D
13 KB (701 words) - 10:17, 30 July 2020
(–20) × 0.5–3 dm, glabrous or floccose to tomentose, usually greenish, occasionally grayish. Stems spreading to erect, with or without persistent leaf-bases
14 KB (1,118 words) - 10:38, 30 July 2020
cells occasionally somewhat thick-walled. Stem-leaves appressed or incurved when dry, spreading when moist; ovate to longlanceolate, occasionally ligulate
12 KB (806 words) - 07:13, 30 July 2020
microhairs, cells not papillate. Inflorescences usually terminal panicles, occasionally reduced to racemes in depauperate plants, sometimes 2-3 panicles developing
18 KB (1,356 words) - 02:45, 30 July 2020
crescent-shaped in cross-section. Scape solitary, cylindrical, usually slender, occasionally stout, rigid. Inflorescences umbellate, open, bracteate; bracts scarious
12 KB (690 words) - 06:01, 30 July 2020
multifloral, sometimes cleistogamous-flowered (in Corydalis flavula, occasionally C. micrantha). Flowers bilaterally symmetric about 1 plane; sepals caducous
10 KB (525 words) - 08:22, 30 July 2020
erect, glabrous or pubescent, hairs simple; bark shedding, smooth, or occasionally persistent near base of trunk, or rough throughout. Leaves heterophyllous
12 KB (633 words) - 21:04, 7 June 2022
transverse-section, hyalodermis usually absent, sclerodermis absent or occasionally present, central strand usually present, weak; sparsely radiculose; axillary
15 KB (1,012 words) - 07:04, 30 July 2020
short-shoots, sometimes axillary or appearing so, usually flowers solitary, occasionally 2–3-flowered clusters (in Glossopetalon), short-shoots or pedicels usually
10 KB (457 words) - 13:44, 30 July 2020
Eriogonum cithariforme generally are distinctive in older plants, although an occasional individual of E. davidsonii may have this feature. A distinction between
8 KB (856 words) - 10:51, 30 July 2020
distal surface lustrous, as opposed to green and dull for A. hortensis. Occasional specimens, treated here as A. hortensis, have leaves somewhat scurfy.
7 KB (700 words) - 09:34, 30 July 2020
species of avens may have bristles on the achenes; no others (except for occasional specimens of G. laciniatum) have bristles on the styles. Geum aleppicum
9 KB (817 words) - 14:43, 30 July 2020
compact habit, supernumerary petals, petals to ca. 8 mm, and/or pink petals. Occasional naturalized plants have purple-tinged pedicels and calyces. A form with
6 KB (846 words) - 10:22, 30 July 2020
throughout the range of the species and do not represent a distinct lineage. Occasional glandular plants with unusually short anthers are often misidentified
8 KB (594 words) - 08:21, 30 July 2020
the same misspelling also appears on specimens older than 1959. Another occasional misspelling is ornithorhynchus. The galeas of Pedicularis ornithorhynchos
7 KB (642 words) - 19:29, 29 July 2020
some difficult "calls" arise since all three flower at the same time and occasional chance hybrids do form. None. None. "thin" is not a number.window.pro
8 KB (627 words) - 00:51, 30 July 2020
glabrous. Generated Map Legacy Map Fla. Varieties 2 (2 in the flora). The occasional occurrence of 3- or 4-merous flowers is unique to Paronychia chartacea
7 KB (686 words) - 10:36, 30 July 2020
Mediterranean and western Asia. In the Flora region, it is known as an occasional escape from breeding programs. In its native range it is found in a wide
5 KB (796 words) - 02:56, 30 July 2020
acute apex in D. tortuloides; leaf laminae with 2-stratose margins and occasional 2-stratose regions between the margins and the costa in the middle to
8 KB (758 words) - 06:59, 30 July 2020
sporophore Treatment appears in FNA Volume 2. Plants terrestrial. Roots occasionally branching laterally, yellowish to black, 0.5–2 mm diam., smooth or with
19 KB (579 words) - 15:29, 15 December 2020
acuminate, or spinose, not hooded; petals 5, white, yellowish white, or occasionally pink or brownish, clawed or not, blade apex entire, erose, emarginate
19 KB (1,194 words) - 10:09, 30 July 2020
absent. Inflorescences usually terminal, ebracteate, usually paniculate, occasionally spicate or racemose. Spikelets laterally compressed, with 1-several bisexual
13 KB (1,012 words) - 04:15, 30 July 2020
Euphorbia terracina 11 Leaf blade and bract margins entire (bract margins occasionally slightly crenate in E. brachycera or slightly crenulate in E. chamaesula)
19 KB (827 words) - 18:28, 29 July 2020
465. Mentioned on page 457, 458. Herbs, usually annual or perennial, occasionally biennial in Claytonia rubra. Roots branched, capillary or fibrous. Stems:
16 KB (646 words) - 09:44, 30 July 2020
perennating from fleshy rhizomes or tubers. Stems renewed annually or occasionally persisting for more than a single growing season, twining-climbing, procumbent
9 KB (490 words) - 05:18, 30 July 2020
region; apex gradually tapered or acuminate; costa ending in distal lamina, occasionally percurrent, moderate to stout, terminal spine present or absent; alar
13 KB (715 words) - 07:48, 30 July 2020
is much more widespread than the other varieties of Castilleja miniata. Occasional hybrids are encountered between this variety and a wide range of species
8 KB (854 words) - 18:54, 29 July 2020
glandular, sometimes hispid, hispidulous, pubescent, or hirtellous abaxially, occasionally papillose, mostly glabrous adaxially; tepals connate proximally 1/4–1/2
19 KB (884 words) - 10:50, 30 July 2020
and regularly fragile with propaguloid modifications in the leaf apex. Occasional specimens of var. tortuosa have large laminal cells, on average 12 µm
8 KB (1,458 words) - 07:02, 30 July 2020
1–1.2 cm, tomentose abaxially, less so or glabrous adaxially, margins occasionally revolute. Inflorescences cymose, compact, often flat-topped, 0.5–6 (–12)
15 KB (1,118 words) - 10:29, 30 July 2020
obtuse, apiculate, cuspidate, or mucronate, occasionally obtuse; margins entire or denticulate at apex, occasionally papillose-crenulate; calyptrae naked or
24 KB (641 words) - 07:46, 30 July 2020
spreading to squarrose-recurved when moist; ovate to longlanceolate, occasionally lingulate or oblong, adaxial surface keeled or channeled along costa
11 KB (889 words) - 07:07, 30 July 2020
cells with thickened transverse walls; seta arcuate; globular gemmae occasionally present on leaves. Grimmia trichophylla 11 Basal marginal cells with
25 KB (759 words) - 06:48, 30 July 2020
wide¬spread D. laxiflorum, which usually grows in more mesic habitats. Occasional specimens exhibit traits of D. acuminatum, D. oligosanthes, and D. commutatum
10 KB (1,144 words) - 04:02, 30 July 2020
progeny. Given its frequent occurrence in northeastern North America and occasional confusion with other taxa (e.g., Eurybia radula), the hybrid O. ×blakei
13 KB (850 words) - 21:27, 29 July 2020
a scrambling vine was collected (P. Kirtley 68, 6 Oct. 1935, MO). Such occasional findings of R. sempervirens can be expected in mostly warmer areas of
12 KB (885 words) - 13:49, 30 July 2020
variable, ovate, obovate, pyriform, clavate, or turbinate; endostome occasionally fragile and poorly developed, segments with narrow linear to ovate perforations
11 KB (764 words) - 07:38, 30 July 2020
actinomorphic, 4–18 cm diam.; floral-tube distal to ovary, terete or occasionally ridged, solid proximally, hollow distally; sepals 3, spreading or reflexed
20 KB (1,129 words) - 06:06, 30 July 2020
dark to light green, occasionally glaucous above, brown or tan below. Stems elongate, to 2 [–7] cm; hyalodermis absent or occasionally weakly developed, sclerodermis
13 KB (835 words) - 07:06, 30 July 2020
glumes 1-3-veined, occasionally shortly awned; lemmas membranous to cartilaginous, 3-veined, keeled, keels with hairs, occasionally winged, apices mucronate
11 KB (1,138 words) - 04:45, 30 July 2020
in M. fontana), not showy (except in M. parvifolia and M. bostockii), occasionally replaced by bulbils in M. chamissoi; sepals persistent, unequal; petals
11 KB (582 words) - 09:46, 30 July 2020
throughout, occasionally with a red tinge in young leaves. Stems 0.5–7 (–10) cm, often sparingly branched by subfloral innovations, smooth or occasionally scabrous-papillose;
14 KB (1,002 words) - 07:07, 30 July 2020
to seta, never inflated or rugose; peristome usually well developed (occasionally somewhat reduced in G. valparaisense); endostome not adherent to exostome
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usually 3-5-veined (rarely 7-11-veined); lower florets usually sterile, occasionally staminate; lower paleas absent, small, or large, not thickened; upper
6 KB (905 words) - 04:08, 30 July 2020
wiry or relatively stout and rigid, erect, ascending or decumbent; nodes occasionally swollen, glabrous or densely pubescent, often with a glabrous or viscid
16 KB (1,305 words) - 04:02, 30 July 2020
leaves 4-7; sheaths usually shorter than the internodes, usually glabrous, occasionally the lower sheaths sparsely to densely soft-pubescent, sheaths of the
12 KB (1,221 words) - 04:02, 30 July 2020
subshrubs, spreading to rounded and occasionally erect, not scapose, (0.5–) 1–20 × 2–25 dm, glabrous or occasionally floccose, sometimes scabrellous, greenish
13 KB (1,055 words) - 10:37, 30 July 2020
strictly cauline], alternate, differentiated into basal sheath, petiole (occasionally absent), and blade; sheaths often overlapping, supporting stem, open
13 KB (979 words) - 00:51, 30 July 2020
Etymology: fsql.getString(4) Treatment appears in FNA Volume 2. Shrubs or occasionally clambering vines. Branches jointed, yellowish green to olive-green when
8 KB (560 words) - 00:28, 30 July 2020
Mentioned on page 25, 359, 367, 376, 394, 395, 440. Plants usually 3–10 cm, occasionally longer. Stems usually simple, not tomentose or with dense reddish or
16 KB (1,050 words) - 06:54, 30 July 2020
Flowers: perianth present, segments (members) bristlelike and spinulose or occasionally straplike with soft, blunt hairs; amphicarpic flowers absent. Achenes
4 KB (457 words) - 01:57, 30 July 2020
rudimentary, segments 16, linear, or absent, cilia absent. Calyptra mitrate or occasionally cucullate, smooth or papillose. Spores spheric, granular to papillose
9 KB (332 words) - 07:54, 30 July 2020
composed of rames, with disarticulation in the axes or a spikelike raceme (occasionally of 2 subdigitate spikelike branches) with disarticulation below the pedicellate
31 KB (2,561 words) - 04:21, 30 July 2020
often branching; rhizoids few, micronemata present at base of stem, occasionally in clusters along stem, macronemata axillary. Leaves strongly imbricate
12 KB (715 words) - 07:36, 30 July 2020
ovate, ovatelanceolate, or obovate, 2–6 mm; base short-decurrent or occasionally not decurrent; margins recurved or rarely plane, green, brown, or reddish-brown
10 KB (544 words) - 07:40, 30 July 2020
in the flora). Species of sect. Niveae are primarily trifoliate, with occasional supernumerary leaflets developing on otherwise trifoliate plants (B. Eriksen
21 KB (1,382 words) - 14:01, 30 July 2020
tapering, abaxially hirsute with abundant unicellular and fasciculate hairs, occasional multiradiate hairs; husks minutely hirsute. Carya laciniosa 7 Bark ridged;
16 KB (713 words) - 08:48, 30 July 2020
walls moderately thick; laminal cells elongate to linear, smooth or occasionally prorate on dorsal surface, walls moderately thick; basal-cells undifferentiated
11 KB (575 words) - 07:47, 30 July 2020
Mountain, Oregon, are transitional to D. pseudorupestris var. saxicola. Occasional populations in northern California that combine the morphology of var
5 KB (746 words) - 14:10, 30 July 2020
Erythronium citrinum intergrades with E. californicum and E. hendersonii, occasional populations or individuals displaying intermediate or recombined characteristics
5 KB (524 words) - 05:40, 30 July 2020
(Psoralidium lanceolatum), ricegrass (Stipa hymenoides), and other dune plants. Occasional plants with very large bracts occur as far south as El Paso County, Texas
4 KB (637 words) - 09:39, 30 July 2020
Krajina et al. 1982). In addition to variation in habit within the species, occasional plants have divergent forms of foliage. One collection (Canada, British
6 KB (583 words) - 00:26, 30 July 2020
the heads of achenes are hemispheric to short-ovate and only 2-3 mm. Occasional plants with cylindric heads of achenes 4-6 mm from the Gulf Coast states
6 KB (592 words) - 08:29, 30 July 2020
Pomona. In this area along the lower elevational limits of this variety, occasional intermediates with Q. engelmannii occur [= Q. ×grandidentata Ewan (as
4 KB (625 words) - 08:22, 30 July 2020
intergrade, but such intermediate plants have not been seen elsewhere. Occasional plants with very short gemmae can be confused with P. proligera, which
7 KB (619 words) - 07:39, 30 July 2020
dumosum (versus lustrous under sparser stellate hairs). Identification of occasional plants may be equivocal; those are a small minority. Using AFLP markers
7 KB (507 words) - 11:40, 30 July 2020
northwestern Montana and adjacent southern Alberta. Variety hispida forms occasional hybrids with Castilleja levisecta in Thurston County, Washington, and
4 KB (679 words) - 18:53, 29 July 2020
as their ranges overlap at the western end of the Great Lakes region. Occasional intermediate specimens were also seen from northern California to British
5 KB (728 words) - 14:42, 30 July 2020
30-1300 m Generated Map Legacy Map Calif. Spiny saltbush apparently forms occasional hybrids with phases of Atriplex canescens, as indicated by the presence
5 KB (534 words) - 09:39, 30 July 2020
whereas in the southern part of its range it intergrades with F. micrantha. Occasional individuals throughout the range display traits of both F. recurva and
5 KB (482 words) - 05:41, 30 July 2020
showing some characteristics of one subspecies and some of the other are occasional. None. None. window.propertiesFromHigherTaxa=[{"rank":"species","name":"Carex
4 KB (635 words) - 01:54, 30 July 2020
Elevation: 1200-1300 m Generated Map Legacy Map Utah. This taxon forms occasional hybrids with Atriplex gardneri var. cuneata, with which it occurs. None
5 KB (591 words) - 09:38, 30 July 2020
arizonica, P. durangensis, and P. engelmannii as well as secondary and occasional hosts such as P. aristata, P. contorta, and P. cooperi. The parasite can
6 KB (581 words) - 18:34, 29 July 2020
respects to E. californicum and sometimes intergrades with it, resulting in occasional populations with the bulb characteristics of one species and the inflorescence
6 KB (523 words) - 05:40, 30 July 2020
C., Tex., e Asia (Taiwan), also in Pacific Islands (Hawaii), Australia Occasional specimens of Pyracantha fortuneana with sparsely toothed leaf margins
6 KB (588 words) - 14:33, 30 July 2020
or misidentifications of M. aprica, M. occidentalis, or M. rhomboidea. Occasional, dwarfed specimens of M. hieraciifolia and M. subapetala are similarly
6 KB (574 words) - 12:55, 30 July 2020
three subspecies are mostly sympatric and sometimes grow together, with occasional intergradation. None. Dichanthelium strigosum subsp. glabrescens, Dichanthelium
8 KB (1,035 words) - 04:04, 30 July 2020
upright to ascending and have yellow to yellow-orange inflorescences, with occasional plants ranging to dull red, especially with age. On Sugarloaf Mountain
10 KB (764 words) - 18:52, 29 July 2020
stipes. These plants usually do not set seed and may be infertile hybrids. Occasional occurrence of staminate flowers with abaxial nectaries suggests that this
12 KB (939 words) - 11:57, 30 July 2020
villous; involucral-bracts usually 3-5, occasionally 2 in secondary involucres, 1-2-tiered, ternate, occasionally incompletely ternate, ±similar to basal
12 KB (777 words) - 08:39, 30 July 2020
perennial [rarely annual], with slender to thickened, usually erect, occasionally spreading, rootstock. Stems erect or ascending [prostrate], branched
8 KB (532 words) - 18:21, 29 July 2020
ellipticlanceolate or longlanceolate, broadly channeled across leaf or occasionally somewhat channeled along costa, 0.8–1.7 (–3) mm, base scarcely differentiated
10 KB (944 words) - 07:04, 30 July 2020
287. Mentioned on page 276, 2. Leaf-blades linear or linear-lanceolate, occasionally narrowly oblong-ovate or triangular (C. atrovirens), thick, margins entire
3 KB (560 words) - 09:31, 30 July 2020
Xyroides Thouars Treatment appears in FNA Volume 22. Herbs, perennial, occasionally annual, rosulate. Stems simple, erect, sometimes caudiciform, short to
16 KB (658 words) - 00:56, 30 July 2020
short-decurrent; margins entire or occasionally sinuate; apex rounded-apiculate or short to long-acuminate; costa single or occasionally 2-fid distally, weak, ending
9 KB (511 words) - 07:46, 30 July 2020
the seed in 5. heterolepis and 5. clandestinus. Cleistogamous spikelets occasionally present in the lower leaf-sheaths, x = 9. Conn., N.J., N.Y., Wash., Va
22 KB (1,094 words) - 04:32, 30 July 2020
scarcely differentiated in shape to long-elliptic, occasionally medially constricted, proximal margins occasionally slightly decurrent; distal margins plane or
12 KB (855 words) - 07:01, 30 July 2020
glabrous or occasionally tomentose, greenish to reddish. Stems: aerial flowering-stems prostrate to erect, 0.2–2 dm, glabrous or occasionally tomentose.
9 KB (834 words) - 10:50, 30 July 2020
ovate leaves with weak costa groove, costa subpercurrent, and the at least occasional presence of axillary gemmae, but it is KOH red and there is a small hyaline
7 KB (984 words) - 07:04, 30 July 2020
Map B.C., N.W.T., Yukon, Alaska. Andreaeobryum macrosporum is rare or occasional within its range, though locally abundant. Didymodon subandreaeoides (Pottiaceae)
9 KB (635 words) - 06:44, 30 July 2020
Rudbeckia, Solidago, Symphyotrichum, and rarely Hypochaeris. However, occasional and likely spurious host records are Betula and Ostrya (Betulaceae), Rhododendron
6 KB (775 words) - 19:24, 29 July 2020
perigynia with low, flattened papillae, and the broadened base of the achene. Occasional specimens have been observed with papillae characteristic of C. glaucescens;
6 KB (607 words) - 02:06, 30 July 2020
Carex peckii and other members of the section have not been confirmed; occasional plants appear to combine its characteristics with those of other species
8 KB (701 words) - 01:22, 30 July 2020
mistaken for papillae. In addition, the leaf margin is elimbate except for an occasional weak limbidium on the proximal parts of perichaetial leaves, and the vaginant
7 KB (634 words) - 06:54, 30 July 2020
The broad-leaved form named Stellaria calycantha var. latifolia is of occasional occurrence. A similar broad-leaved form occurs in subsp. sitchana. In
7 KB (954 words) - 10:18, 30 July 2020
branchlets. Although most specimens of P. repens can be identified easily, occasional sterile specimens lacking brood branchlets may defy certain identification
7 KB (789 words) - 07:52, 30 July 2020
deeply lobed, and the base long-cuneate and decurrent on the petiole, are occasional over much of the range of the species. They have been called P. occidentalis
7 KB (780 words) - 08:40, 30 July 2020
from such characteristic habitats of the southeastern Coastal Plain. An occasional specimen may resemble P. acuminatum or P. subulatum in general habit.
10 KB (873 words) - 07:00, 30 July 2020
flora area, the species frequents tundra and montane forest habitats with occasional occurrence at low to moderate elevations at northern latitudes. The glistening
8 KB (678 words) - 07:34, 30 July 2020
Q. nigra, and Q. pumila (Hunt suggested that the last may give rise to occasional reports of annual fruiting in Q. myrtifolia). None. None. window.prop
6 KB (608 words) - 08:26, 30 July 2020
tomentose or floccose abaxially, tomentose to floccose or glabrous adaxially, occasionally glabrous on both surfaces, margins entire, plane or rarely wavy. Inflorescences
27 KB (1,609 words) - 10:41, 30 July 2020
sheaths open for most of their length, glabrous, usually scabridulous, occasionally smooth; auricles absent; ligules membranous; blades of the uppermost
8 KB (812 words) - 03:27, 30 July 2020
hypophysis usually same color as urn, short-to-elongate, narrower than or occasionally as wide as urn; annulus present, not strongly differentiated; operculum
8 KB (455 words) - 07:44, 30 July 2020
cleistocarpous. Calyptra ephemeral, falling away as capsule matures, occasionally present as a thin membrane at apex. Spores 50–320 µm in longest diameter
7 KB (330 words) - 06:52, 30 July 2020
Capsules 1-locular, apex separating at dehiscence. Seeds not tailed or occasionally tailed, tegmen reticulate and usually lined. 2n = 20. w North America
6 KB (312 words) - 00:54, 30 July 2020
sometimes numerous, whorled, distinct, leaflike to subulate or linear, occasionally awn-tipped, thinly pubescent (sometimes appressed), hirsute, villous
23 KB (1,142 words) - 10:54, 30 July 2020
papillose to hispid or, occasionally, glabrous. Stems erect to ascending, branched from base; branches arcuate or, occasionally, almost prostrate. Leaves
5 KB (562 words) - 09:40, 30 July 2020
Volume 24. Treatment on page 283. Plants perennial; usually cespitose, occasionally shortly rhizomatous. Inflorescences terminal, spikes or spikelike, with
5 KB (879 words) - 02:59, 30 July 2020
bright to yellowish green distally. Leaves crisped to imbricate (and occasionally inrolled) when dry, erect-patent to spreading when moist, (1.5–) 2–8
8 KB (479 words) - 06:46, 30 July 2020
divergent distally. False indusia greenish, narrow, clearly marginal, occasionally concealing the sporangia. Sporangia confined to submarginal vein tips
13 KB (724 words) - 00:34, 30 July 2020
major parts of the lumina leaving only a narrow groove in the center, occasionally more or less smooth. Perichaetial leaves differentiated, innermost elliptical
11 KB (701 words) - 06:52, 30 July 2020
V. bicolor, and V. tricolor); blade not overlapping basally (except occasionally in V. blanda and V. rotundifolia), ovate, reniform, deltate, orbiculate
39 KB (2,374 words) - 11:16, 30 July 2020
vascular tissue; anthers usually 3 or 6, sometimes fewer or up to 7, very occasionally many; ovaries glabrous or pubescent; styles or style-branches 1-4; Caryopses
15 KB (1,681 words) - 03:22, 30 July 2020
leaves, but the latter has predominantly 1-stratose leaf margins with only occasional 1-seriate 2-stratose spots that are not wavy or lumpy. Also, the costa
13 KB (1,254 words) - 06:51, 30 July 2020
6–17 mm, straight, smooth, cells spirally twisted throughout or smooth, occasionally small sections of straight cells papillose by projecting cell ends (prorulate)
7 KB (341 words) - 06:44, 30 July 2020
violet, or brown, 2.5–7 mm; fruiting pedicel mostly incurving-erect, occasionally spreading-erect, 5–70 mm. Capsules not deciduous, pale green to pale-brown
7 KB (506 words) - 05:59, 30 July 2020
sometimes subsaccate or not saccate; petals usually yellow, sometimes orange (occasionally drying purplish or maroon), rarely white or purple, spatulate, obovate
40 KB (1,647 words) - 11:54, 30 July 2020
mobot.org/MOBOT/research/APweb/). Escallonia Mutis ex Linnaeus f., which occasionally escapes cultivation in coastal California and Oregon and was included
7 KB (319 words) - 13:12, 30 July 2020
extremely delicate, closely enveloping seed. Seeds fusiform to obovoid, apex occasionally asymmetric or recurved, aerolateareolate; raphe basal; testa 3 or 10–15
10 KB (561 words) - 01:00, 30 July 2020
features. First, their gametophytes are coprophilous, growing on feces, occasionally old bones, and other animal matter. Second, their spores are commonly
9 KB (361 words) - 07:32, 30 July 2020
usually straight, rarely slightly curving; glumes vestigial or 1-3 mm long, occasionally some unequal glumes up to 10(20) mm long and 0.1-0.2 mm wide but with
45 KB (3,070 words) - 03:00, 30 July 2020
extends south into Mesoamerica, and has been reported from Venezuela. Occasional specimens grade towards the larger D. tenue, and are usually found on
9 KB (1,069 words) - 04:03, 30 July 2020
intermediates between the two species occur, and it is probable that the occasional plants of S. douglasii with stipitate-glandular hairs in the inflorescence
11 KB (920 words) - 10:25, 30 July 2020
height, and foliage color; photographs of the plants may be helpful. Occasional individuals may be F1 hybrids, being intermediate in morphology, having
12 KB (975 words) - 09:39, 30 July 2020
rudimentary peristome. Gyroweisia differs from the similar Gymnostomum by the occasional presence of a rudimentary peristome (outside the flora area), the large
14 KB (1,086 words) - 07:03, 30 July 2020
et al. 1972+, vol. 13), may be present in North America, at least as an occasional waif. The specimens underlying the citation of this species by P. A. Rydberg
11 KB (963 words) - 13:56, 30 July 2020
Mentioned on page 14, 17, 2. Herbs, usually short to long-lived perennial, occasionally annual, stout, pubescent to glabrate, from slender and spongy or massive
8 KB (488 words) - 09:26, 30 July 2020
curled at maturity. Inflorescences usually sparingly branched panicles, occasionally racemes, 3-30 cm long, 2-12 cm wide, with 2 or more spikelets per node;
12 KB (899 words) - 03:54, 30 July 2020
Treatment on page 477. Plants perennial; cespitose, not rhizomatous, occasionally purple-tinged throughout, mostly glabrous throughout (except as noted)
10 KB (1,187 words) - 04:08, 30 July 2020
membranous, glabrous; bracteoles present. Pedicels present. Flowers bisexual (occasionally andromonoecious in M. halliana), opening with leaves, perianth and androecium
17 KB (1,038 words) - 14:33, 30 July 2020
1.4-3.7 cm, base narrowly cuneate, margins crenate-serrate, serrate, occasionally dentate or incised on distal 1/3-1/2, apex acuminate to obtuse, surfaces
8 KB (626 words) - 08:32, 30 July 2020
subcordate to rounded, margins usually entire, occasionally toothed, apex usually obtuse to rounded, occasionally acute to apiculate, surfaces without red blotch
9 KB (615 words) - 18:29, 29 July 2020
florets reduced; disarticulation above the glumes and beneath the florets, occasionally also at the base of the pedicels. Glumes shorter than the adjacent lemmas
10 KB (965 words) - 03:13, 30 July 2020
smooth or rarely papillose at both ends. Specialized asexual reproduction occasionally by rhizoidal tubers. Sexual condition monoicous or dioicous; perichaetial
12 KB (487 words) - 06:59, 30 July 2020
distally. False indusia, when present, greenish, narrow, clearly marginal, occasionally concealing sporangia. Sporangia scattered along veins on abaxial leaf
11 KB (568 words) - 00:35, 30 July 2020
often different color than distal 2, smaller or subequal, distal 2 blue (occasionally lilac, lavender, yellow, peach, apricot, or white), clawed; stamens (5–)
9 KB (390 words) - 01:00, 30 July 2020
[oblong or lingulate]; margins entire to dentate [serrulate], not ciliate [occasionally ciliate]; costa single, subpercurrent; laminal cells smooth [1-papillose]
5 KB (175 words) - 07:42, 30 July 2020
surface, end walls not thickened. Sexual condition usually dioicous, occasionally monoicous. Capsule equal to or less than 2 mm, with few-to-many pseudostomata
19 KB (686 words) - 07:06, 30 July 2020
stipules usually distinct, occasionally connate basally on lower side of stem, subulate or scalelike, usually entire, occasionally 2-fid or margin sparsely
9 KB (578 words) - 18:21, 29 July 2020
angustifolia var. angustifolia in trans-Pecos Texas, especially on roadsides; occasional hybrids have been noted. None. None. window.propertiesFromHigherTaxa=[{"rank":"species"
4 KB (565 words) - 23:31, 29 July 2020
Introduced; Fla., Africa According to R. P. Wunderlin (1979), Celosia trigyna is an occasional weed introduced from tropical Africa. None. None. window.propertiesFr
4 KB (291 words) - 09:40, 30 July 2020
(combretaceous), sometimes hairs also short-stipitate, glandular; roots occasionally with pneumatophores. Stems erect, horizontal, spreading, or prostrate;
18 KB (937 words) - 21:04, 7 June 2022
closely spaced, margins entire, apex acute. Veins 1–2-forked [simple], occasionally anastomosing. Sori terminal on veins, round; indument of branched glandular-hairs
7 KB (407 words) - 00:35, 30 July 2020
(–20) dm, glabrous, occasionally glaucous, greenish to grayish. Stems: caudex absent; aerial flowering-stems erect, solid or occasionally hollow and fistulose
10 KB (938 words) - 10:47, 30 July 2020
or occasionally absent abaxially, guide cells 2 in 1 layer, hydroid strand absent, distal laminal cells subquadrate to subrectangular, occasionally rhomboid
11 KB (699 words) - 07:03, 30 July 2020
FNA Volume 9. Treatment on page 11. Mentioned on page 10. Shrubs or, occasionally, trees. Stems densely branched; twigs tan or reddish tinged, ± angled
9 KB (453 words) - 13:50, 30 July 2020
page 452. Culms 15-75 cm, solitary or loosely tufted, usually glabrous, occasionally puberulent. Sheaths glabrous or pubescent; ligules 0.5-1 mm; blades usually
7 KB (901 words) - 03:13, 30 July 2020
distally, lamina 1-stratose, acute, erect-flexuose to falcate-secund, occasionally somewhat spreading, sometimes somewhat auriculate at base; margins incurved
10 KB (636 words) - 06:56, 30 July 2020
cells; apex broadly or rounded-acute, costa excurrent as a sharp mucro, occasionally rough or denticulate, adaxial outgrowths absent, adaxial cells elongate
10 KB (731 words) - 07:03, 30 July 2020
proximal to green apex. Flowers: tepals light to deep bluish violet or occasionally purple, bases yellow; outer tepals 8–20 mm, apex rounded, truncate, or
7 KB (543 words) - 06:06, 30 July 2020
mm, membranaceous, apex broadly acute to rounded, occasionally deeply retuse, rounded or occasionally keeled, glabrous, green and covering fruit at maturity;
7 KB (626 words) - 09:30, 30 July 2020
perigynia, dense, pedunculate, prophyllate; terminal spike staminate or, occasionally, androgynous. Proximal pistillate scales with apex obtuse, acute, or
10 KB (625 words) - 02:18, 30 July 2020
beaked, longitudinally striate with prominent venation, glabrous or, occasionally, sparsely puberulent; adaxial suture narrow, ± cartilaginous. Seeds 1
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sometimes pendent or almost erect, usually with 2 (3) spikelets per node, occasionally to 5 at some nodes, rarely with 1 at some nodes but never throughout;
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vertically striolate or pitted-striolate, redbrown. Calyptrae cucullate, occasionally rough at apex. Spores spheric, 14–24 µm, finely roughened, yellow to
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stipules, petiolate. Leaf-blade: margins entire or, on fast-growing shoots, occasionally with a few teeth. Inflorescences terminal on short, leafy branches of
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falcate-secund, ovate or ovatelanceolate; margins serrate to serrulate near apex (occasionally entire in B. henonii); apex short to long-acuminate; ecostate; alar cells
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Skvortsov 1999), the frequent production of sylleptic shoots, and the occasional occurrence of tricarpellate ovaries in S. exigua. Secondary buds flanking
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adherent to exostome, basal membrane high to low, segments well developed or occasionally reduced, cilia long and appendiculate to short or sometimes absent. Nearly
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margins entire except at apex. Pleurozium 2 Leaf apices acuminate or occasionally acute; margins serrulate throughout or nearly so > 3 3 Stems 2-8 mm wide
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Flowers: perianth and androecium perigynous; hypanthium usually disc, occasionally dish or cupshaped; sepals 5, distinct, green (herbaceous portion purple
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irregularly pinnate; paraphyllia absent; pseudoparaphyllia subfoliose to occasionally filamentous. Stem-leaves loosely appressed to imbricate when dry, erect-spreading
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staminate and pistillate on same plants, numerous, crowded in unisexual (occasionally bisexual) heads, sessile to stipitate, often subtended by tepaloid bract
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to long-excurrent, in section hydroids absent, stereid band abaxial, occasionally wanting, filaments present on costa and adjacent 2-stratose area of leaf-blade
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center, apex acute or short-awned. Perigynia appressed-erect to spreading, occasionally recurved, veined or veinless on both faces, sessile, ovate to narrowly
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A. rostratus); exostome teeth white to pale-brown, densely papillose, occasionally cross-striolate, sometimes slightly trabeculate; endostome sometimes
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straight, usually equaling tepals, occasionally longer, thickened proximally; pedicel usually ascending in fruit, occasionally perpendicular to stem, 3–25 mm
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proximally, serrate to serrulate distally; apex abruptly acuminate, or occasionally rounded, obtuse, or abruptly acute; costa double, 1/4–1/2 leaf length
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petals ± obliquely dilated basally; lip 3-lobed, base spurred, margins occasionally entire, nectarless; pollinaria 2, each with 1 pollen mass; viscidia within
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not ventricose basally, 3-angled, 3-ribbed, 3-toothed, 5-toothed, or occasionally 6-toothed, without membranous or scarious margins; awns equal, sometimes
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homomallous, oblong-ovate, not plicate; base not decurrent; margins erect or occasionally reflexed proximally, entire or serrulate distally; apex abruptly acuminate
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base often broadened, elliptic, somewhat sheathing, proximal margins occasionally with distinct shoulders; distal margins plane to weakly incurved, distinctly
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serve to identify most specimens with a reasonable level of confidence. Occasional hybrids are to be expected. In addition to the species addressed here
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up to 1/2 or more height of plant; caudex stems absent or spreading, occasionally matted; aerial flowering-stems erect to spreading, stout to slender,
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33–72 cm. Leaves: sheath adaxially white-hyaline or brownish tinged, occasionally only in very narrow band extending 2.5 cm proximal to collar; summit
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Inflorescences terminal, linear spikes to panicles, usually drooping, occasionally erect, especially when young, with few axillary clusters, uninterrupted
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when dry, spreading when moist; ligulate to elliptic, adaxial surface occasionally grooved along costa, plane or broadly channeled across leaf. 1.5–2.5
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central strand present; axillary hairs to 16 cells long, basal-cell occasionally brown, other axillary hair cells hyaline. Leaves crowded in the stem
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to tomentose or floccose, sometimes less so adaxially, margins plane, occasionally brownish. Inflorescences capitate or rarely umbellate, 0.7–5 (–7) × 1
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hybridization between E. canadensis (p. 303) and E. hystrix (p. 316); occasional intermediates with both species exist (Campbell 2002). None. None. "decumbent"
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confirmed only for the Ozark region of Arkansas and southern Missouri. Occasional specimens from southern Appalachia may prove to belong here. Crataegus
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closely related to E. macgregorii (see previous) and E. virginicus, forming occasional hybrids with both (Campbell 2000). It is sometimes confused with E. villosus
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Rocky Mountains. Within some populations dominated by acaulescent forms, occasional short, caulescent individuals or even taller plants may occur. These approach
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few cases, appressed spikelets (Campbell 2002). Whether these represent occasional variation within the E. hystrix gene pool, or whether they are outlying
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jejunus, are rare, but, especially from Missouri to Wisconsin, there are occasional plants with 5-10 mm awns on a few lemmas, especially at the spike tips
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× 3.5–12 cm, thin, bases often cordate, margins doubly serrate, apex occasionally nearly lobed; surfaces abaxially usually pubescent, sometimes glandular
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Volume 27. Treatment on page 475. Plants fernlike, bluish gray-green, occasionally with a reddish purple tint, scattered, as clustered or tufted frondiform
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Leaf-blades linear or narrowly linear (occasionally linear-lanceolate or almost filiform), usually plane or occasionally folded (especially in dry plants),
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Capsules somewhat elongate. 2n = 14. Phenology: Flowering spring–winter, occasionally at other times. Habitat: Hammocks, sandy areas, roadsides, and similar
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blade oblong to ovate, 5–10 mm, margins glandular-toothed, apex acute to occasionally obtuse. Inflorescences dense, paniculate to subumbellate cymes, 10–50-flowered;
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Flowers bisexual, protogynous, diurnal, borne at or above water surface (occasionally submersed); peduncle long; involucre absent; perianth persistent in fruit
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Treatment on page 479. Mentioned on page 468. Plants medium-sized [to large], occasionally small, usually in pendent tufts, green, yellowish, brownish, or black
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reddish-brown, distal cells oblong, hyaline. Stem and branch leaves occasionally dimorphic; densely foliate, erect-appressed or imbricate when dry, erect-swollen
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[pinnately compound or 1-3-ternate]. Inflorescences axillary, racemes, occasionally solitary flowers, flowers pedicellate. Flowers unisexual, staminate and
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Mentioned on page 437, 441. Winter buds ovoid to conic, usually shiny, occasionally glaucous, mostly glutinous, glabrous or hairy, hairs whitish or rufous
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363, 366, 369, 642. Plants in wiry wefts, dark green to olive green, occasionally yellowish. Stems irregularly branched to pinnate; paraphyllia few or
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fragrant, actinomorphic; tepals distinct, reddish purple to magenta, occasionally pink or white, not clawed, ± equal; stamens symmetrically arranged; filaments
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and scaly. Branchlets drooping; segments 8-20 × 0.9-1.2 mm, glabrous, occasionally waxy; longitudinal ridges flat to slightly rounded-convex; teeth usually
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Plants perennial; usually cespitose, often with short, knotty rhizomes, occasionally with elongate rhizomes, never stoloniferous. Culms 5-180 cm, erect, mostly
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glabrous, bases occasionally becoming fibrous, but not persistent in tufts. Inflorescences borne singly; spathes green or occasionally with purplish tinge
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stem or abaxial costa insertion, rarely forming tomentum, slightly or occasionally strongly branched, smooth; axillary hair distal cells 1–3, hyaline. Stem-leaves
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adnate to column throughout, forming nectary tube, tube penetrating ovary, occasionally producing nectar; column straight or slightly arched; clinandrium hood
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taproot. Stems prostrate, occasionally mat-forming, 10–43 cm, glabrous. Leaves opposite; stipules usually distinct, occasionally connate at base, filiform
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flat to sulcate apically, green, often streaked or overlain with maroon, occasionally entirely dark maroon, lanceolate-acuminate, 10–50 mm, equaling petals
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Plants annual; tufted. Culms 4.5-55 cm, erect. Sheaths scabridulous, occasionally smooth; ligules 1.2-8 mm, abaxial surfaces scabridulous, acute to subobtuse
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usually cordate, rarely rounded, margins occasionally reddish, entire, often revolute, apex acute to obtuse, occasionally mucronate, surfaces glabrous or pilose;
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than blade; blade rhombic-ovate to broadly lanceolate, 4–8 × 2–3 cm, occasionally larger in robust plants, base cuneate to broadly cuneate, margins entire
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or glabrous, grayish or greenish to green. Stems matted to spreading, occasionally with persistent leaf-bases, up to 1/4 or more height of plant; caudex
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characters intermediate between the parents. Carex maritima × C. parallela, an occasional hybrid in eastern Greenland (T. W. Böcher et al. 1978), more closely resembles
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twice-geniculate awns, more robust habit, and more sparsely pubescent paleas. Occasional plants combine the characteristics of both species. None. None. "decumbent"
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bracteole shape is otherwise distinctive, and the long marginal teeth and occasional elongate cristate processes on the faces are unmatched elsewhere in the
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glabriuscula (see sectional discussion). Chaenactis tanacetifolia is an occasional form with leaves mostly basal, persistent, and densely arachnoid, and
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characters as the apical cell: generally sharply pointed and narrow, with an occasional papilla; in H. ciliata the teeth are broader and often irregularly covered
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uncinata, and there can be no doubt that S. symmetrica is a distinct species. Occasional specimens of S. uncinata may have more or less straight and erect capsules
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and C. villosum belong to the same group of closely related species, and occasional transitional forms between these taxa are not uncommon in North American
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4946, identification not verified). Sphenopholis filiformis differs from occasional forms of S. obtusata with somewhat scabrous distal lemmas in having narrower
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does not support recognition of infraspecific taxa. Throughout its range, occasional plants of C. alpigena are green and glabrate. None. None. "longest" is
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peaty limestone barrens in Newfoundland (M. L. Fernald 1933, 1950) and as occasional upon humid rocks and coastal fens along Hudson Bay (J. Deshaye and J.
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variable in stature and achene size and sculpturing. In the United States, occasional plants occur with glabrous achenes, and some collections have achenes
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except in District of Mackenzie and Yukon), this circumboreal sedge is occasional to rare throughout much of its United States range. Carex diandra was
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pseudoparaphyllia easily distinguish H. imponens from H. fauriei, which has occasional triangular to lanceolate pseudoparaphyllia and inclined capsules. Hypnum
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m Generated Map Legacy Map Introduced; Mich., Europe, w Asia, n Africa Occasional plants that are considered possible hybrids involving either Pyrus calleryana
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in the axillary tufts of hairs on the abaxial leaf surfaces and in the occasional presence of eglandular bracteoles; the C. mollis parentage is apparent
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pauciflora generally grows as an intricately branched, often rounded bush. Occasional plants, usually from Arizona, New Mexico, Texas, and southern Utah, have
7 KB (777 words) - 20:26, 29 July 2020
albida. Variety oreopola usually has pink to purple inflorescences, with occasional variants of pinkish red, pinkish orange, or white. Its colorful displays
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some unknown environmental factor. Further study should be undertaken. Occasional pink-flowered forms, treated as N. odorata var. rosea or forma rubra,
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here delimited does not auto-pollinate in the manner of P. aquilonis. Occasional plants and populations that may be referable to P. huronensis, however
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species of Corispermum may be achieved by different flowering periods. Occasional hybrids between C. pacificum and C. villosum are similar in their habit
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Wyo., Eurasia Carex microglochin subsp. microglochin is usually rare to occasional in subarctic North America and scattered in the cordilleran region. It
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