Search results

to dense tufts, turfs, or mats, green to dark green, brownish green, light green, or yellow-green, often tinged reddish-brown or purple. Stems (0.2–) 1–3

tufts, turfs, or mats, green, dark green, brownish green, light green or yellow-green, usually darker proximally, often tinged reddish-brown or purple. Stems

small to large, in loose to dense tufts or mats, light or deep green, yellowish, brownish, stramineous, whitish, or rarely blackish, usually glossy. Stems

typically 3, erect, spreading, or recurved, distinct, red, purple, pink, white, yellow, green, or combination of these, ovate or obovate to linear, sometimes

to spreading, decumbent, or erect, infrequently absent, with or without persistent leaf-bases, glabrous or variously pubescent or glandular; caudex stems

architecture","body architecture or pubescence or relief","body architecture or shape","body relief","branch arrangement or course or shape","branch structure

opposed, green or with purplish tinge, equitant, equal or unequal, smooth to scabrous, margins hyaline, apex undifferentiated, acute to obtuse or bifid,

architecture","blade margin architecture or shape","blade margin shape","flower architecture or arrangement or growth form","fruits capsule dehiscence"

with distinct capitulum; green, whitish, pale, yellow-green to light brownish, rarely dark-colored. Stems green, brown, dark-brown to occasionally pinkish

cupshaped, campanulate, or tubular; sepals greenish, white, yellow, pink, red, or purple; petals greenish, white, yellow, pink, red, or purple; nectary disc

rarely glabrous. Achenes light to dark-brown, not winged, 3-gonous, glabrous or pubescent only on beak. Seeds: embryo straight or curved. w North America

decumbent, or prostrate, simple, [woody], leafy; from horizontal or vertical, thick, fleshy or subligneous, shallow or deep-seated rhizome (caudex); or from

base rounded or truncate, with spongy tissue, margins rounded or acutely angled, apex rounded and beakless or abruptly beaked, smooth or minutely papillose

glabrous; anthers, yellow to brownish yellow, ovate to elongate; styles 3, spreading or reflexed, distinct; stigmas 3, fimbriate or plumose. Achenes included

in dense or loose tufts, light to deep green, sometimes yellowish, brownish, or rarely brownish red with age. Stems creeping, ascending, or arching, not

loose to dense tufts, green to yellowish green distally, yellowbrown to brown proximally. Stems short or reaching 2 cm or more, simple or sometimes with a few

growth glabrous or pubescent, 1-year old reddish to dark or very dark-brown, rarely tan to chestnut, older gray or gray-brown, sometimes dark purple-brown;

decumbent to erect, or creeping, few-to-many branched; scales colorless or brownish, concolored or bicolored, ovate, lanceolate or linear, margins entire

entire or erose, axils naked, spineless; stigma lobes 4–13, white to yellow or orange-yellow (rarely pinkish), 0.5–8 mm. Fruits indehiscent, green or red

(indehiscent in F. hamatacanthus), green, yellow, brownish, or dull purple-red [to bright red], spheric, ovoid, or cylindric, 20–60 × 10–40 mm, thick walled

478, 487, 492, 497, 521, 537, 562. Plants in turf or mats, green to yellowbrown distally, light to dark-brown proximally. Stems to 1 (–3) cm, branching occasionally;

corolla yellow (sometimes with reddish base) or white and sometimes darkly streaked (by resin canals) variously black, brown, maroon, red, or brownish violet

"pollen-grain architecture or shape","pollen-grain pubescence or relief or texture","portion reproduction","pseudobulb size","rhizome growth form or orientation","root

Bracts held well above ground, sessile; blade light silvery or bluish green with strong to faint mottling in darker colors, mottling becoming obscure with age

(simple or branched distally, glandular-viscid or glabrate). Flowers heterostylous; hypanthium free from ovary except at base, yellow-green to pinkish;

535, 537, 577, 578. Plants growing in turf or cushions, light to dark or olive green distally, light to dark-brown basally. Stems to 2.7 cm, branching often;

mostly ovoid to cylindric-conic, tan to yellow, red, blue, or lavender. Seed-cones maturing in 2 (–3) years, shed early or variously persistent, pendent to ±

Fruits indehiscent or sometimes splitting irregularly, dark red to purplish green or green, spheric [to ovoid], 30–100 mm, fleshy to juicy [or somewhat dry]

erose; filaments green; anthers orange; style light green; stigma lobes light to dark green. Fruits usually sterile, not proliferating, yellow at maturity,

lemon-yellow on both surfaces, lower 3 and often upper 2 brownish purple-veined, lateral 2 beardless, lowest 6–15 mm, spur yellow to yellowish green, gibbous

acute to rounded, ending 0–1.1 mm proximal to green apex. Flowers: tepals yellow to orange, usually with brownish veins; outer tepals 2.6–5 mm, apex acute to

well above ground, sessile; blade light green or bronze-green, strongly mottled in dark green with central light green stripe, mottling becoming obscure

417. Plants light green to dark brownish green, dull, in loose tufts. Stems 1–6 (–18) cm, tomentose to scarcely tomentose with white or reddish-brown

strongly mottled on each side of central light green stripe in shades of light green, dark green, bronze green, and dark purple, mottling becoming obscure with

very strongly marked with at least 3 shades of dark green, bronze green, and purplish green, often with light central strip, mottling becoming obscure with

sect. Sitchenses); filaments distinct or connate, glabrous or hairy; anthers usually purple or red turning yellow. Pistillate flowers: abaxial nectary usually

sepals persistent or deciduous, erect or reflexed; carpels cartilaginous; styles persistent or deciduous. Seeds 2 per carpel, light, dark, or reddish-brown

greenish, dark purple, brownish purple, or white, distally pink, lavender, magenta, light purple, or white on lobe apices, lanceolate to elliptic or narrowly

shrubs, or trees, (rhizomatous or not). Stems erect (and/or creeping, prostrate in R. groenlandicum, R. lapponicum, R. tomentosum); twigs hairy or glabrous

Flowers: calyx light green to green, 5–12 mm, glabrous, tube 2–3.8 mm, lobes 5, (2.5–) 3–7 (–9) mm; corolla-tube maroon and yellow with dark maroon, ± thick

cream, yellow, green, red-violet, or pink; anthers yellow; styles minutely and sparsely papillate. Fruits dehiscent along 2–4 vertical slits, green or pink

dm. Leaves: basal few, laxly spreading, longer than stem, blade bright dark green adaxially, flushed pink basally, veins subprominent, linear, 2.8–4.8 dm

fusion","stigma length or size","subtending flower architecture or arrangement or growth form","subtending flower coloration or reflectance","subtending

× 8–14 dm, open. Leaves ascending, 50–80 × 6–10 cm; blade light glaucous green to yellow green, frequently lightly cross-zoned, spatulate, firm, adaxially

Sexual condition dioicous. Seta orange-yellow, brownish or reddish, 0.8–1.2 cm, erect. Capsule erect, yellow or light-brown, curved and asymmetric, 1–2 (–2

spreading, densely arranged, yellow-green to brown, 2.3–5 × 1.25–2.5 mm, minutely papillose; beak minute, bent. Achenes light to dark-brown, 2.7–4 × 1.7–2.2

turfs, or mats, green, dark green, to brownish green, rarely yellow-green. Stems (0.3–) 0.6–1.4 (–4) cm. Leaves erect-patent to contorted or somewhat

margins crenulate, dentate, or serrate; proximal pinnae not reduced or 1 pair slightly reduced, sessile or petiolulate, equilateral or ± inequilateral, if inequilateral

margins white or cream (to light pink), midstripes pinkish to brown or brownish green, proximally white, 8–12 × 1.5–3 mm; outer filaments white or pinkish;

Flowers: tepals dark brownish, usually with green midstripe, outer series ovatelanceolate, 1.8–3.2 mm, margins broad, clear, awned or not, apex acutish;

hispidulo-strigillose, sometimes sparsely stipitate-glandular. Leaves (green to dark green) firm, margins entire, faces sparsely to moderately strigoso-scabrous

leaves: petioles continuous in color to apex, 3–4.5 cm; blade yellow-green to dark green, elliptic to ovate, 3.5–4 cm × 16–20 mm, base rounded, apex acuminate;

apex short-acute to acuminate or apiculate; surfaces abaxially glaucous or light green, appearing glabrate but with scattered or crowded minute, appressed

America Association Shrubs or small trees, deciduous or subevergreen. Bark dark gray to almost black, scaly. Twigs brownish, 1-2 mm, usually persistently

lobed, lobes 4-5, glabrous; stamens 4-8; anthers brownish red; stigmas green, lobes exserted. Samaras yellow-cream, orbiculate, 10-14 mm diam., broadly winged

loose to moderately dense mats, light to dark green, yellow-green, or brownish yellow. Stems to 10 (–15) cm, creeping or ascending, terete-foliate, irregularly

robust and lax; terminal bud somewhat enlarged; yellow-green to light brownish green. Stems yellow-green; superficial cortex of 1–2 layers of moderately

adaxially dark or gray-green, lustrous, sparsely or moderately stellate-pubescent, secondary-veins impressed. Acorns solitary or paired, subsessile or on peduncle

proximal to inflorescence, alternate distally, petiole 0–5 mm; blade dark or grayish green, lanceolate to subovate, 1–3.8 × 0.3–1.5 cm, base attenuate proximally

lemon-yellow on both surfaces, lower 3 and sometimes upper 2 brownish purple-veined, lateral 2 usually bearded, lowest 8–17 mm, spur usually yellow, sometimes

equaling the lemmas, light green, 1 (2-3) -veined, acute, unawned; lemmas 2.6-3.2 (4.2) mm, lanceolate, dark greenish or mottled, glabrous or the calluses and

architecture","spikelet architecture or arrangement or growth form","spikelet arrangement","style arrangement or course or shape","style shape","whole_organism

tufts or mats, dark olivaceous, sometimes brownish or black. Stems (0.9–) 1.3–2.5 (–5) cm, central strand absent or indistinct. Leaves erect or curved

There may be a single round stele or vascular trace, or the trace may be U-shaped or omega-shaped, or there may be 2--10 or more separate traces. The patterns