midleaf, gradually tapering distally or more or less abruptly narrowed; apex acute or obtuse, cucullate or concave, with an apiculus, mucro or short subula;
21 KB (1,511 words) - 07:02, 30 July 2020
linear-lanceolate, acute, clustered distally on naked stem. Seta straight, smooth. Capsule with peristome absent. Operculum planoconvex. Calyptra conic-mitrate.
4 KB (139 words) - 07:00, 30 July 2020
margins and/or apices barely to notably scarious. Receptacles usually flat to conic, sometimes concave, usually epaleate, rarely paleate (often foveolate, socket
79 KB (1,886 words) - 20:55, 29 July 2020
short to long-conic; peristome single or double, appearing single, usually 4: 2:4; exostome, when present, white to hyaline, teeth narrowly acute or blunt-triangular
10 KB (682 words) - 07:39, 30 July 2020
distally narrow, keeled to tubulose, gradually acuminate to a fine-point; apex acute to obtuse, not deciduous; margins at the base erect and entire, recurved
21 KB (1,496 words) - 06:56, 30 July 2020
rugose; margins entire or denticulate; apex rounded-obtuse and mucronate or acute and subulate; costa percurrent or excurrent; basal laminal cells oblate to
7 KB (494 words) - 07:43, 30 July 2020
to nearly entire basally, spinose-serrate to serrate in distal 2/3; apex acute to acuminate; costa single, double, or rarely triple, sometimes 2-fid, 1/3–3/4
7 KB (419 words) - 07:44, 30 July 2020
recurved proximally, entire to subserrulate distally, limbidium absent; apex acute, acuminate, or obtuse, hairpoint absent; costa single, subpercurrent or ending
9 KB (517 words) - 07:45, 30 July 2020
entire or serrulate to serrate at extreme apex, sometimes denticulate; apex acute, acuminate, or rarely piliferous; costa double, short, appearing single with
12 KB (457 words) - 07:50, 30 July 2020
smooth. Capsule erect, symmetric; differentiated annulus absent; operculum conic-acute to subrostrate; peristome double; exostome teeth 16, connate at base,
10 KB (458 words) - 07:51, 30 July 2020
2–4 mm, apex acute, surfaces finely glandular-hairy, puberulent, or finely tomentose. Pedicels 3–5 mm, glabrous. Flowers: corolla white, conic to urceolate;
6 KB (574 words) - 13:14, 30 July 2020
stem-leaves; margins plane to reflexed, entire or serrulate distally; apex acute to acuminate. Specialized asexual reproduction absent or by small, slender
9 KB (483 words) - 07:55, 30 July 2020
glossy adaxially, broadly ovate to elliptic, (5–) 6–15 × 2.5–8 cm, thin, apex acute to acuminate, abaxial surface glabrous (or sparsely pubescent, especially
7 KB (560 words) - 13:05, 30 July 2020
ovatelanceolate; costa ending well before the apex, distal leaves linear, acute to acuminate, margins entire, broadly reflexed, costa subpercurrent; laminal
7 KB (341 words) - 06:44, 30 July 2020
mouth small; annulus absent or scarcely developed; operculum short-conic to conic-obtuse; peristome absent, of low membrane, or exostome teeth yellow
8 KB (523 words) - 07:34, 30 July 2020
peristome present or absent. Calyptra deciduous, mostly cucullate, rarely conic-mitrate. Worldwide except Antarctica, mostly tropical and subtropical regions
7 KB (504 words) - 07:15, 30 July 2020
when moist, lanceolate to ovatelanceolate, not rugose; margins entire; apex acute to narrowly obtuse [bluntly acuminate]; costa percurrent; basal laminal cells
7 KB (475 words) - 07:44, 30 July 2020
terrestrial [lithophytic or epiphytic]. Roots slender, fibrous; pseudobulbs green, conic, ovoid, or ellipsoid, slightly compressed, soft (2 pseudobulbs typically
9 KB (513 words) - 05:30, 30 July 2020
occasionally merely erect, seldom plane, entire; apex sharply acute to subulate, occasionally broadly acute, obtuse, or weakly cucullate; costa shortly and sharply
18 KB (1,487 words) - 07:02, 30 July 2020
more strongly complanate-foliate; central strand present; pseudoparaphyllia acute; axillary hairs of 2–3 (–4) cells. Stem-leaves erectopatent to erect, imbricate
11 KB (575 words) - 07:47, 30 July 2020
inverted at anthesis, with awns; ovary globose to ovoid; style ovoid or conic; stigma simple. Capsules borne on erect pedicels, globose to ovoid, dehiscent
5 KB (429 words) - 13:19, 30 July 2020
forming a low rim; petals greenish to greenish white; style subulate or conic. Drupes usually blue-black (sometimes reddish purple in N. aquatica; yellow
7 KB (488 words) - 18:15, 29 July 2020
thin-walled or quadrate to rectangular, thick-walled cells; operculum mammillate, conic, or rostrate, falling detached from the columella. Calyptra mitrate or cucullate
25 KB (759 words) - 06:48, 30 July 2020
below mouth; annulus differentiated or not; operculum conic to rostrate, obliquely short to long-acute or obtuse; peristome perfect to reduced, hygroscopic;
9 KB (555 words) - 07:53, 30 July 2020
2–5 mm; margins entire to serrulate distally; apices somewhat blunt, or acute to acuminate; costa single, subpercurrent to short-excurrent; proximal laminal
9 KB (561 words) - 06:47, 30 July 2020
in size, those on one side of rachis slightly smaller, base oblique, apex acute to obtuse, mucronate to apiculate, surfaces hairy to glabrate, terminal pair
13 KB (670 words) - 18:18, 29 July 2020
yellowish or reddish vesiculose cells, irregularly deciduous; operculum conic to conic-rostrate; peristome teeth 16, linear, occasionally rudimentary, straight
11 KB (889 words) - 07:07, 30 July 2020
cylindric, rarely narrowly conic or ovoid-conic; bark smooth, not metallic-silvery > 25 24 Capsules ± narrowly ovoid-conic or pyramidal-ovoid to ovoid
13 KB (445 words) - 11:15, 30 July 2020
unappendaged) intrastaminal discs or, rarely, column present, pistillodia usually conic and hairy or vestigial; pistillate flowers: staminodia present or absent;
7 KB (250 words) - 13:43, 30 July 2020
proximally, plane distally, serrulate proximally, serrate distally; apex acute; ecostate or costa double, ending below mid leaf; alar cells oblate to rounded
6 KB (331 words) - 07:55, 30 July 2020
spreading when moist, lingulate or lingulate-subulate, rounded-obtuse to acute, mainly entire; costa single, strong, lamina usually 2 (–3) -stratose from
8 KB (368 words) - 06:46, 30 July 2020
margins recurved to mid leaf or beyond, entire or serrulate distally; apex acute to short-acuminate; costa single or double, ending before apex; alar region
7 KB (529 words) - 07:56, 30 July 2020
prominent, apex acute to obtuse, abaxial surface lanate to tomentose, glabrous, or pubescent, adaxial glabrous. Inflorescences mostly terminal, conic panicles
7 KB (589 words) - 14:25, 30 July 2020
margins plane, denticulate, dentate, or ciliate-dentate, rarely entire; apex acute, acuminate, or long-acuminate, subulate to piliferous, rarely blunt; costa
8 KB (265 words) - 07:50, 30 July 2020
entire or serrulate proximally, serrulate to serrate at apex; apex obtuse to acute; costa subpercurrent to percurrent; alar cells quadrate or rectangular, slightly
6 KB (428 words) - 07:50, 30 July 2020
base, smooth. Leaves imbricate to spreading when dry, lanceolate to ovate, acute to subulate; margins plane, entire or serrate; costa subpercurrent to excurrent
6 KB (348 words) - 07:00, 30 July 2020
somewhat falcate, narrowly to broadly ovatelanceolate; margins entire; apex acute to acuminate; costa double or ecostate; alar cells elongate, inflated, pigmented
5 KB (268 words) - 07:53, 30 July 2020
distally; apex abruptly acuminate, or occasionally rounded, obtuse, or abruptly acute; costa double, 1/4–1/2 leaf length, sometimes nearly ecostate; alar cells
5 KB (333 words) - 07:44, 30 July 2020
narrowly decurrent; margins nearly entire proximally, serrulate distally; apex acute to acuminate; costa double, 1/4–1/2 leaf length; alar cells differentiated;
4 KB (317 words) - 07:45, 30 July 2020
proximally. Stem-leaves broadly ovate or obovate; margins entire; apex obtuse to acute and abruptly short-acuminate; costa ending before apex; proximal laminal
6 KB (350 words) - 07:37, 30 July 2020
lanceolate to oblong-lanceolate, not rugose; margins entire; apex obtuse, acute, or cuspidate; costa ending just below apex; basal laminal cells rectangular
6 KB (405 words) - 07:43, 30 July 2020
decurrent; margins plane, entire or usually serrulate to serrate at apex; apex acute to acuminate, rarely somewhat obtuse; costa double, ending just beyond base
8 KB (492 words) - 07:51, 30 July 2020
leaves. Seta elongate. Capsule long-ovoid to cylindric, operculum conic to long-conic or rostrate, peristome teeth absent. Calyptra cucullate. Spores 7–10
9 KB (723 words) - 07:08, 30 July 2020
recurved to near apex, entire or crenulate at apex; apex narrowly obtuse, acute, or apiculate; basal laminal cells rectangular, walls thin, not nodose; distal
7 KB (585 words) - 07:52, 30 July 2020
absent; base slightly clasping, weakly decurrent; apex obtuse to rounded [acute]; costa single, stout, percurrent, abaxial and adaxial surface cells differentiated
10 KB (398 words) - 06:52, 30 July 2020
sometimes matted. Ligules of larger cauline leaves 2-9 mm, truncate or acute to attenuate; widest cauline blades 1.5-18 mm wide. Panicles (3) 5-25 cm
6 KB (867 words) - 03:26, 30 July 2020
transverse-section; ± fleshy), base cuneate, margins entire, apex obtuse to acute. Inflorescences terminal spikes, flowers [1–] 2–3 in axils. Flowers bisexual
6 KB (459 words) - 09:32, 30 July 2020
uniform, ovatelanceolate to linear or obovate; margins not bordered; apex acute to rounded-obtuse; costa single, strong, usually ending before apex; distal
5 KB (201 words) - 07:38, 30 July 2020
apex broadly rounded, obtuse, or acute, occasionally apiculate from obtuse or rounded apex, sometimes blunt from acute apex, acumen not differentiated;
17 KB (800 words) - 07:42, 30 July 2020
7–12 × (1.1–) 4–6 cm, base cuneate to attenuate, margins serrulate, apex acute, abaxial surface pubescent, primary-veins in 7–8 pairs. Inflorescence bracts
7 KB (578 words) - 13:08, 30 July 2020
ray-floret). Receptacles conic, paleate (paleae persistent, lanceolate to lanceovate, flat or weakly conduplicate, apices acute). Ray-florets 6–21+, pistillate
8 KB (531 words) - 23:21, 29 July 2020
densely branched, smooth. Leaves deltoid-ovate; base decurrent; apex broadly acute to obtuse, abruptly contracted, acumen long, apiculate or piliferous; costa
9 KB (529 words) - 07:32, 30 July 2020
equal, margins somewhat hyaline, apices acute to acuminate, abaxial faces usually woolly). Receptacles conic to hemispheric, pitted or smooth, glabrous
7 KB (592 words) - 23:55, 29 July 2020
to cordate, unlobed or 2-lobed, margins serrate to doubly serrate, apex acute to attenuate, abaxial surfaces unarmed or with prickles, strongly white-tomentose
8 KB (671 words) - 14:13, 30 July 2020
thick; annulus differentiated and deciduous, or undifferentiated; operculum conic to short-rostrate; peristome double; exostome teeth bordered, external surface
10 KB (407 words) - 07:50, 30 July 2020
thin-herbaceous, margins often hyaline, faces glabrous or strigose. Receptacles conic, pitted, epaleate. Ray-florets 10–65 (–85), pistillate, fertile; corollas
9 KB (672 words) - 21:49, 29 July 2020
usually restricted to stolons. Stolon leaves scalelike, 0.2–1.3 mm; apex short-acute or long-acuminate; usually ecostate. Stipe leaves appressed, erect, or recurved
14 KB (540 words) - 07:55, 30 July 2020
brownish gray, becoming grayish red; winter buds red-purple to redbrown, conic to ovoid, 8–13 mm, dull, slightly glaucous, not glutinous, sparsely or densely
10 KB (780 words) - 14:30, 30 July 2020
weakly denticulate near apex; lamina 1-stratose; apex rounded to obtusely acute, usually mucronate, occasionally entire or apiculate; costa percurrent to
15 KB (931 words) - 07:03, 30 July 2020
paroicous; perigonial leaves ovatelanceolate, to 1/5 stem-leaf length, apex acute; perichaetial leaves scarcely differentiated; archegonia scattered distally
9 KB (393 words) - 07:35, 30 July 2020
sometimes rugose; margins entire or sometimes serrulate at apex; apex gradually acute, acuminate, or apiculate; costa percurrent or short-excurrent; basal laminal
7 KB (509 words) - 07:33, 30 July 2020
margins subentire to dentate or pinnately lobed (apices rounded or obtuse to acute or acuminate, faces glabrous or glabrate to sparsely villous, pilose, or
28 KB (2,401 words) - 20:10, 29 July 2020
herbaceous, midnerves often keeled, proximal margins often scarious). Receptacles conic or convex (usually hollow), paleate (paleae linear to spatulate, distally
8 KB (545 words) - 22:41, 29 July 2020
proximally, ± entire, 1–3-stratose, limbidium absent or present; apex obtuse to acute; costa not reaching apex to very short-excurrent, apiculus smooth, guide
13 KB (797 words) - 07:37, 30 July 2020
or not, faces hairy or glabrous, sometimes glandular. Receptacles flat to conic, pitted, epaleate. Ray-florets 0 or 12–350 in 1 (–2+) series, pistillate
97 KB (2,063 words) - 21:58, 29 July 2020
decurrent; margins plane or narrowly recurved basally, serrate to entire; apex acute to acuminate; costa double and short or ecostate; alar cells not differentiated
10 KB (548 words) - 07:52, 30 July 2020
annulus of 2–3 rows of large, deciduous, revoluble cells; operculum conic to long-conic, straight; peristome single, teeth 16, split nearly to their base
10 KB (644 words) - 06:59, 30 July 2020
chartaceous, base cuneate, margins finely serrate to serrulate, apex acute. Panicles narrowly conic, 5–15 × 3–6 cm. Pedicels 1–2 (–3) mm. Flowers 5–8 mm diam.;
5 KB (601 words) - 14:24, 30 July 2020
white-margined, linear, 3-angled in cross-section, 2–3 × 0.5–0.6 cm, apex acute. Inflorescences axillary or terminal cymes; pedicel to 20 mm. Flowers 3–7
5 KB (431 words) - 09:14, 30 July 2020
and margins 1-stratose, or double and margins 2-stratose; apex acuminate [acute]; costa single, strong, percurrent to short-excurrent, distal abaxial surface
8 KB (314 words) - 07:42, 30 July 2020
than wide, 2–6 mm; fertile scales broadly ovate, keeled, 1–1.3 mm, apex acute, abaxially puberulent, midrib included or excurrent as mucro. Flowers: stamens
7 KB (491 words) - 01:32, 30 July 2020
sometimes to base, teeth usually paired and sharp, sometimes single; apex acute or acuminate, usually cuspidate, cusp often lightly toothed; costa percurrent
7 KB (445 words) - 07:42, 30 July 2020
ligulate-lanceolate, not rugose; margins entire to crenulate; apex sharply acute, obtuse, or obtusely apiculate; costa percurrent to excurrent; basal laminal
6 KB (456 words) - 07:45, 30 July 2020
moderately decurrent; margins nearly entire to serrulate; apex very broadly acute to rounded, short-apiculate when young, blunt when mature; costa to mid leaf
5 KB (429 words) - 07:49, 30 July 2020
spike staminate (rarely gynecandrous). Proximal pistillate scales with apex acute or awned. Perigynia ascending or spreading, veined or veinless, with 2, strong
7 KB (430 words) - 02:13, 30 July 2020
their lengths, margins ± scarious, apices acute, abaxial faces glabrous [arachnose to tomentose]. Receptacles conic or convex, deeply alveolate (pits enclosing
6 KB (456 words) - 20:03, 29 July 2020
proximally, serrate, serrulate, or rarely entire distally; apex narrowly acute [blunt]; costa double; alar cells differentiated, subquadrate to rectangular;
6 KB (514 words) - 07:51, 30 July 2020
6–10 mm, apex acute, surfaces densely glandular-hairy. Pedicels 5–15 mm, finely glandular-hairy. Flowers: corolla white to pink, conic to urceolate; ovary
6 KB (575 words) - 13:13, 30 July 2020
sometimes bordered by 3–4 rows of thick-walled cells; apex rounded-obtuse to acute; costa ending a few cells before apex to short-excurrent, adaxial outgrowths
14 KB (935 words) - 07:06, 30 July 2020
±recurved to near apex; apex acute to obtuse; basal laminal cells rectangular to elongate-rectangular; distal cells 7–14 µm, papillae conic or clavate, small or
7 KB (689 words) - 07:33, 30 July 2020
to Georgia. Quercus arkansana 51 Apex of leaf blade acute or obtuse, margins always with 3–4 acute lobes; North Carolina to Maine. Quercus ilicifolia 52
23 KB (617 words) - 08:21, 30 July 2020
near apex, 1-stratose, limbidium present or absent; apex broadly rounded to acute; costa sometimes not reaching apex, usually short to long-excurrent, awn
16 KB (845 words) - 07:38, 30 July 2020
to pink or orange to red, corolla urceolate, campanulate, or campanulate-conic, lobes much shorter than tube; stamens 10, included, (slightly shorter than
10 KB (580 words) - 12:53, 30 July 2020
annulus revoluble; operculum long-conic; peristome double, 4: 2:6–8; exostome yellow to light-brown, teeth triangular-acute, trabeculate, pitted basally, coarsely
8 KB (566 words) - 07:40, 30 July 2020
4–6-veined, lanceolate to lanceovate, ± equal, apex acuminate. Flowers conic to campanulate, 7–14 mm; tepals erect, reddish purple, rarely white, narrowly
9 KB (601 words) - 05:52, 30 July 2020
membranous, white to stramineous, raylike, entire. Receptacles flat to conic, epaleaete scaly or bristly (each floret surrounded by ± connate, membranous
8 KB (580 words) - 20:06, 29 July 2020
(sticky); bracts appressed, (glaucous), scalelike, deltate, 3–4 mm, apex acute to acuminate, surfaces viscid-glandular (rarely minutely stipitate-glandular)
7 KB (634 words) - 13:12, 30 July 2020
entire to serrate distally, 1-stratose, limbidium absent or present; apex acute to broadly rounded; costa short to long-excurrent, awn stout, pigmented,
10 KB (725 words) - 07:35, 30 July 2020
often plane throughout, entire, 1-stratose, limbidium absent; apex broadly acute; costa not reaching apex or very short-excurrent, mucro smooth, guide cells
10 KB (695 words) - 07:35, 30 July 2020
glandular-hairs; bracts not appressed, leaflike, lanceolate, 8–15 mm, apex acute, surfaces glabrous, hairy, or finely glandular-hairy. Pedicels 2–5 mm, sparsely
7 KB (650 words) - 13:15, 30 July 2020
hemicordate, margins coarsely serrate, sometimes revolute, apex rounded to acute, abaxial surface sparsely hispidulous to strigillose (densely so on young
7 KB (544 words) - 18:24, 29 July 2020
or nearly throughout, entire, lamina 1-stratose; apex narrow and bluntly acute, sometimes acuminate, occasionally with an apiculus; costa ending before
9 KB (718 words) - 07:03, 30 July 2020
linear-lanceolate, 3–6 mm, apex acute or acuminate, surfaces glabrous. Pedicels 4–8 mm, glabrous. Flowers: corolla white, conic to urceolate; ovary glabrous
6 KB (579 words) - 13:12, 30 July 2020
white. > 15 15 Racemes spikelike or nearly so, cylindric, cylindric-conic, or conic; bracts deciduous; pedicels 0–1(–2) mm. > 16 16 Seeds glabrous. Polygala
19 KB (903 words) - 21:03, 7 June 2022
differentiated. Leaves oblong, elliptic or narrowly obovate; apex broadly acute, mucronate; margins plane to weakly incurved, crenulate distally, entire
6 KB (414 words) - 06:46, 30 July 2020
Volume 2. Trees to 90 (–100) m; trunk to 4.4m diam.; crown narrow to broadly conic, flattened in age. Twigs slender, pubescent, becoming glabrous with age.
5 KB (455 words) - 00:29, 30 July 2020
Leaf-blade deep green, shiny, obovate to oblanceolate, thick, leathery, base acute, apex rounded, notched, or blunt; oil cells possibly evident as pellucid
6 KB (357 words) - 08:23, 30 July 2020
with distinctive velvety sheen, simple, not peltate, oblongelliptic, base acute to obtuse or sometimes oblique, apex rounded-apiculate or short-acuminate;
5 KB (356 words) - 00:54, 30 July 2020
ovate to deltate, 0.6-4 × 0.5-3 cm, base truncate, rounded, or cordate, apex acute to slightly acuminate; surfaces glabrous. Spikes axillary, terminal, and
5 KB (378 words) - 08:23, 30 July 2020
penicellate, enclosing paraphyses, axillary hairs, few archegonia. Calyptra conic, barely covering operculum. North America, Mexico, West Indies, Central America
5 KB (442 words) - 06:46, 30 July 2020