Search results

margin hyaline, apex firm and herbaceous, flat or inrolled, obtuse to acute. Staminate scales obtuse to acuminate. Anthers (1.8–) 2.2–3.6 mm. Perigynia

Leaf-blades 10–18 × 0.5–1.5 mm, subcoriaceous, margins loosely inrolled, apex obtuse to rounded-apiculate. Inflorescences with terminal dichasium 3–15-flowered

stout, bushy-branched stems from base; leaf blade margins loosely inrolled, apex obtuse to rounded-apiculate; sepal apices shortly apiculate to acute. Hypericum

prismatic or hourglass-shaped, margins thickened and inrolled proximally, or thin and not inrolled, hollow near attachment to placenta, wings absent, rarely

rhombic, rounded over the midvein, apices subulate, acute, acuminate, or obtuse, notched, minutely bifid, or toothed, teeth shorter than 1 mm, apices sometimes

involute to erect, entire or sometimes denticulate near apex; apex rounded-obtuse, acute, occasionally acuminate, apiculate, or awned; costa strong, ending

retrorsely, pilose; upper sheaths pubescent or glabrous; ligules 1-1.5 mm, hairy, obtuse, erose; blades 2-19 cm long, 1-4 mm wide, abaxial surfaces glabrous or hairy

crisped when dry, sometimes radially inrolled, spreading when moist, lingulate or lingulate-subulate, rounded-obtuse to acute, mainly entire; costa single

shorter than adaxial lip, lobes 3–5 mm, apex acute, obtuse, or rounded, adaxial lip margins inrolled; filaments with tuft of hair at base, sparsely villous

lobes distinct, obtuse, roundish, spreading or corolla rudimentary (cleistogamous); stamens exserted 0.1–0.2 mm; stigma 1 mm, exserted, inrolled over anthers

ligulate-lanceolate, not rugose; margins entire to crenulate; apex sharply acute, obtuse, or obtusely apiculate; costa percurrent to excurrent; basal laminal cells rectangular

plane, entire; apex sharply acute to subulate, occasionally broadly acute, obtuse, or weakly cucullate; costa shortly and sharply mucronate, adaxial outgrowths

margins scarious-hyaline distally, apices scarious-hyaline, truncate or obtuse to acuminate, unawned; paleas from 2/3 as long as to subequal to the lemmas

absent; ligules elongate, membranous, becoming lacerate; blades flat or inrolled. Terminal inflorescences panicles, open to spikelike. Spikelets laterally

lateral-veins obscure, margins weakly inrolled, broadly scarious, glabrous, apices long-scarious, acute to shortly obtuse, often erose, often bronze-colored

noticeable on margins, lobes rounded, margins coarsely crenate-dentate, apex obtuse. Inflorescences pendent, solitary flowers or 2–8 (–9) -flowered racemes

triangular-obovate or rhombic, 6–12 × 5–12 mm, margins finely erose, apex obtuse or ± acute. Inflorescences compact racemes, 6–10 cm diam.; bracts erect

oblong-rounded, margins entire or with 2–5 rounded teeth, apex acute to obtuse. Inflorescences ascending to reflexed, 5–18-flowered racemes, 3–7 cm, axis

margins of the lemmas often inrolled Puccinellia arctica 23 Anthers 0.6-1.2 mm long; lateral margins of the lemmas usually not inrolled. > 24 24 Lemmas 2.8-4

puberulent and colorless, sessile-glandular on both surfaces, lobes deltate to obtuse, margins finely 2–3 times crenate and denticulate or serrate, apex broadly

1-veined, equaling perigynia in width, usually shorter, apex obtuse or acute, not inrolled, awns absent. Anthers 1.5–2 mm. Perigynia veinless, stipitate

rounded over the back, veins distinct or obscure, margins not inrolled, apices broadly acute or obtuse; lower glumes 1.3-2.1 mm; upper glumes 1.3-2.6 (3.4) mm;

Glumes subequal, lanceolate to broadly lanceolate, dull, frequently glaucous, obtuse to acute; lower glumes 3-veined; upper glumes (3.7) 4.1-6.5 mm; calluses

midvein, margins scabrous or pubescent, bluntly angled, inrolled or not at maturity, apices acute to obtuse, bifid, teeth shorter than 1 mm; awns 3-10 mm, straight

margins hyaline, 1-1.3 mm wide, abruptly angled, not inrolled at maturity, apices acute to obtuse, bifid, teeth shorter than 1 mm; awns usually absent

to white, apices obtuse to broadly acute. Lower glumes absent; upper glumes glabrous, 5-veined; lower lemmas 5-veined, margins inrolled; upper florets light

rounded over the midvein, margins scabrous, rounded, not inrolled at maturity, apices acute to obtuse, bifid, teeth shorter than 1 mm; awns 5-9 mm, all more

over the midvein, margins hyaline, 0.3-0.6 mm wide, obtusely angled above the middle, not inrolled at maturity, apices acute, bifid, teeth shorter than

biennial. Culms 5-60 cm, erect. Sheaths pilose; ligules 0.5-1 mm, hairy, obtuse; blades 3-13 cm long, 2-4 mm wide. Panicles 2-10 cm long, 1.5-3 cm wide

Sheaths often densely hairy with soft, white hairs; ligules 1-2 mm, hairy, obtuse, erose; blades 10-30 cm long, 3-5 mm wide, glabrous or pubescent. Panicles

Sheaths densely retorsely pilose; ligules 1.5-2.5 mm, glabrous or pilose, obtuse, lacerate; blades 7-8 cm long, 3-6 mm wide, pilose on both surfaces. Panicles

Lower sheaths with dense, soft, appressed hairs; ligules 1-1.5 mm, hairy, obtuse, erose; blades 10-20 cm long, 2-6 mm wide, coarsely pilose on both surfaces

the back, veins distinct or obscure, lateral margins often inrolled, apices acute to obtuse; lower glumes 0.8-2.1 (2.5) mm; upper glumes 1.8-3 mm; calluses

broadly hyaline, bluntly angled above the middle, not inrolled at maturity, apices subulate to acute or obtuse, toothed, teeth shorter than 1 mm; awns usually

prophyllate; terminal spikes gynecandrous. Proximal pistillate scales with apex obtuse to acuminate or awned. Perigynia erect to spreading, veined or veinless

than calyx, visible. Flowers: caly× lobes ovate, equal to capsule, ape× obtuse to subacute or obscurely rounded; corolla blue-violet to lavender, rarely

2-5 mm, smooth or sparsely scabrous, margins distinctly decurrent, apices obtuse to acute, ligules of innovations prominent, milky white; innovation blades

with 15+ perigynia. Pistillate scales persistent, less than 10 mm, apex obtuse, acute to acuminate, rarely awned. Perigynia eventually spreading, usually

apices, lateral-veins obscure, margins strongly inrolled below, broadly scarious above, glabrous, apices obtuse to broadly acute, blunt, or pointed; palea keels

truncate to obtuse, often erose, sometimes lacerate or ciliolate; blades 2-5 cm long, less than 1 mm wide, soon becoming tightly inrolled and rigid. Panicles

adaxially, (dark green and rugose), lobes deltate, margins biserrate, apex obtuse. Inflorescences pendent, 10–25-flowered racemes, 3–5 cm, axis stipitate-glandular

puberulent, lateral-veins obscure, margins strongly inrolled below, broadly scarious above, glabrous, apices obtuse to acute; palea keels scabrous, sometimes hairy

smooth distally, lateral margins inrolled or not, apical margins uniformly and densely scabrous, apices acute to obtuse, entire; palea veins glabrous, short-ciliate

margins and near the apices, margins evenly rounded, inrolled at maturity, apices acute to obtuse, bifid, teeth shorter than 1 mm; awns (0) 3-6 (9.5) mm

intercostal regions muriculate, glabrous, margins distinctly inrolled, glabrous, apices obtuse or acute, usually partially bronze-colored, frequently incurved

campanulate; teeth (3–) 5–6 (–10), erect or occasionally spreading, apex acute to obtuse or rounded. Flowers bisexual or, infrequently, unisexual, not attenuate

Sheaths sparsely pubescent or glabrous; ligules 0.8-1.5 mm, glabrous or hairy, obtuse; blades 5-20 cm long, 2-5 mm wide, abaxial surfaces glabrous, adaxial surfaces

geniculately ascending. Lower sheaths densely pilose; ligules 1-1.5 mm, hairy, obtuse, erose, ciliolate; blades 5-15 cm long, 4-6 mm wide, densely pilose on both

cordate to broad-cuneate, surfaces pubescent, lobes obtuse, margins crenulate-dentate, apex obtuse. Inflorescences spreading, solitary flowers or 2–3-flowered

ligules 0.5-6.5 (8) mm, truncate, obtuse, or acute; blades 10-30 cm long, 2-8 mm wide, usually flat, sometimes inrolled, abaxial surfaces glabrous or pubescent

and stipitate-glandular adaxially, lobes deltate, margins crenate, apex obtuse. Inflorescences spreading, 10–25-flowered racemes, 2–5 cm, axis glandular-pubescent

abaxially, glabrous adaxially, lobes deltate, margins bluntly toothed, apex obtuse. Inflorescences erect to pendent, 8–20-flowered racemes, 5–8 cm, axis stipitate-glandular

abaxially, strigillose adaxially, lobes rounded, margins deeply serrate, apex obtuse. Inflorescences nodding, 10–15-flowered racemes, staminate 2–3 cm, pistillate

margins strongly and sharply incurved or inrolled, apex usually somewhat cucullate, acute or narrowly obtuse, mucro usually weak, of 1–3 cells; costa adaxial

usually 2.0–4.5 dm at anthesis. > 7 4 Bract blade bluish green, apex round-obtuse; scapes 6-gonal in cross section. Trillium nivale 4 Bract blade green, often

thick-textured, base linear, margins entire, at first flat but inrolling with age, apex variously acute-obtuse; stamens erect, 12–22 mm; filaments dark maroon, 2–4

ovate-triangular, margins shallowly to coarsely 2 times crenate-serrate, apex acute to obtuse. Inflorescences erect or ascending, 6–8-flowered racemes, (2–) 3–6 (–8)

basally, membranous distally, acuminate to obtuse; blades (10) 20-65 cm long, 3-6 mm wide, flat or inrolled at the margins, scabrous abaxially, scabridulous

lobes cuneate-rounded, margins crenate and finely dentate-serrate, apex obtuse. Inflorescences erect to ascending, 6–20-flowered racemes, 2–5 cm, axis

abaxially, lobes nearly triangular, margins dentate, apex acute to broadly obtuse. Inflorescences erect to spreading, (5–) 7–25-flowered racemes, (3.5–) 4

elliptic, mostly glabrous but the keels and marginal veins appressed-pilose, obtuse, awned, awns 0.3-1.5 mm; second florets 1-1.5 mm long and about equally

usually glabrous, midveins scabrous, sides not conspicuously grooved, margins inrolled, usually glabrous or scabrous, occasionally with a few scattered hairs

ligules 0.5-1.5 (3) mm, sparsely to densely scabrous, apices truncate to obtuse, ciliolate; blades 0.8-3 mm wide, mostly flat, thin, soft, appressed or

conspicuously saccate, 11 (12) -veined, sparsely puberulent in the distal 1/3, obtuse to acute; lower florets staminate; lower lemmas 2.8-4.9 mm, 5-7-veined,

7–12 × 3.8–6 cm, not glossy, base evenly tapered to broad attachment, apex obtuse-acute. Flower borne directly on bracts, odor of putrid meat, especially

the description above. The distal leaf margins are slightly inrolled, so the apex appears obtuse to rounded rather than apiculate. Such specimens from Arctic

to recurved), inner oblong, laminae slightly brown (not purple), apices obtuse-apiculate. Florets: bisexual 2–4; all corollas purple distally. Cypselae

hispidulous, margins sparsely hispidulous; lower glumes 4-7 mm, usually obtuse; upper glumes 8-14 mm, 1-veined, usually acuminate; lemmas minutely hispidulous

apex, not or somewhat undulate, limb gradually or quickly narrowed; apex obtuse, subcucullate; costa percurrent or short-excurrent, rarely disappearing

leaves similar. > 18 18 Leaves broadly ovate, strongly concave; apices obtuse to obtuse-apiculate. Myurella 18 Leaves lanceolate to ovate-lanceolate, weakly