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scalelike. Peduncles absent or erect, ascending, spreading, horizontal, cernuous, recurved, or deflexed, filiform to capillary to slender. Involucres 1

arcuate to cygneous when moist, centrally attached to capsule. Capsule cernuous or pendulous, striate to sulcate when dry and empty (smooth in G. attenuata)

ovate. Seta single, long, straight to somewhat flexuose, smooth. Capsule cernuous or erect, straight or slightly curved, contracted below mouth when dry

spreading. Seta single, elongate, straight or curved, twisted, smooth. Capsule cernuous, erect, or inclined, straight or arcuate; exothecial cell-walls thin or

ovatelanceolate, apex slenderly acuminate. Seta yellowish to red. Capsule cernuous, oblong-ovoid, straight to arcuate, somewhat contracted below mouth and

or narrower, short- to long rectangular; capsule horizontal to curved, cernuous or pendent, or erect and nearly straight > 3 2 Leaves not bordered or with

smaller and narrower. Sexual condition autoicous. Capsule horizontal to cernuous, oblong-cylindric, asymmetric, sometimes arcuate; peristome hypnoid; exostome

lanceolate, ecostate, laminal cells linear. Seta orange-red, straight. Capsule cernuous, orange-red, short-cylindric; exothecial cell-walls collenchymatous; annulus

Branch leaves similar. Sexual condition dioicous. [Capsule horizontal to cernuous, oblong-cylindric, asymmetric, sometimes arcuate; peristome hypnoid; exostome

linear-flexuose. Seta orange to reddish, straight to somewhat flexuose. Capsule cernuous or rarely erect, orange to brown, ellipsoid to ovoid; exothecial cell-walls

acuminate to abruptly filiform-acuminate. Seta red to brown. Capsule erect to cernuous, oblong to ovoid, straight to subarcuate, contracted below mouth and wrinkled

condition dioicous. Sporophytes lateral on stem. Seta elongate. Capsule cernuous, ovoid, arcuate; peristome hypnaceous, double; exostome teeth trabeculate;

short-linear, or rarely rhomboidal, in (1–) 2–3 rows. [Capsule straight or cernuous; exostome lamellae 20. Spores 13–18 µm]. Phenology: Capsules mature summer

to reddish, straight to somewhat flexuose. Capsule erect, inclined, or cernuous, orange to brown, cylindric, ellipsoid, or ovoid; exothecial cell-walls

gradually acuminate. Seta yellow, brown, or reddish-brown. Capsule inclined to cernuous, sometimes erect, ovoid to ellipsoid, straight or arcuate when mature,

glaucous; bracts 3, scalelike, 0.5–2 × 1–2.5 mm. Peduncles recurved to cernuous, curved or sometimes straight, slender, 0.3–1 cm, glandular or glabrous

smooth basally. Pylaisia 17 Branches not curled when dry; capsules erect to cernuous, often curved; exostome teeth usually cross striolate basally > 18 18 Stems

terminally awned, awns 20-110 mm, longer than the lemmas, divergent, often cernuous; paleas as long as the lemmas, keels antrorsely ciliate, apices truncate;

winged, abruptly recurved near apex, 10–50 cm × 1–3 mm. Umbel persistent, cernuous, loose, 8–35-flowered, hemispheric, bulbils unknown; spathe bracts persistent

dioicous. Seta brown to reddish, 0.6–1.2 cm. Capsule erect or rarely ± cernuous, yellowish to orangebrown, ellipsoid to ovoid, straight, 0.5–1.5 mm; operculum

mm, cells papillose. Seta yellow to reddish-brown, 0.5–1.5 cm. Capsule cernuous, rarely erect, light-brown to orangebrown, 0.5–2 mm; operculum conic-apiculate

apex to base of stems. Sexual condition dioicous. Seta 1–2.5 cm. Capsule cernuous to pendulous, oblong-ovoid to ovoid, 1–2 mm; operculum conic to short-rostrate

speciesNassella cernua (Stebbins & Love) Barkworth Mary E. Barkworth Common names: Cernuous nassella Nodding needlegrass Synonyms: Stipa cernua Treatment appears in

Seta orangebrown to red, 1–1.6 cm, straight or curved. Capsule erect to cernuous, light-brown to orangebrown when mature, straight to arcuate, 0.5–2 × 0

scalelike, 1–2 × 1–2.5 mm. Peduncles spreading to ascending or deflexed to cernuous, infrequently absent, straight or curved, slender, 0.1–2.5 cm, glabrous

usually fruiting. Seta light-brown to red, 1.5–3.5 cm, curved. Capsule cernuous or rarely erect or inclined, light-brown to orangebrown when mature, arcuate

condition autoicous. Seta red to reddish-brown, 1–2 cm. Capsule subcernuous to cernuous, rarely erect, yellow to orangebrown, oblong to ovoid, straight to subarcuate

condition autoicous. Seta 0.8–1.6 cm. Capsule erect, horizontal, or slightly cernuous, ellipsoid, 1.4–1.7 mm; operculum long-conic to short-rostrate. Spores

filiform paraphyllia, strongly decurrent leaves with inflated alar cells, and cernuous, asymmetric capsules of the genus Pleuroziopsis separate the two families

straight-sided, rims with hairs shorter than 0.5 mm; awns 45-100 mm, almost centric, cernuous throughout, twice-geniculate, usually both geniculations obscure; anthers

first geniculation distinct, second geniculation obscure, terminal segment cernuous; anthers 3, 2-2.5 mm, penicillate. Caryopses 3-4 mm. 2n = 34. Generated

or sometimes prorulose on the abaxial surface, and erect or inclined to cernuous capsules. None. None. window.propertiesFromHigherTaxa=[{"rank":"genus"

large area of enlarged, pigmented alar cells on one side of the costa. The cernuous, short-cylindric capsules have collenchymatous exothecial cells and the

blades 0.4-8 mm wide, flat to convolute. > 2 4 Terminal segment of the awns cernuous. > 5 5 Awns 12-55 mm long, 0.1-0.2 mm thick at the base Nassella lepida

slender in appearance, with a frondose-dendroid habit, an ovoid, arcuate, cernuous capsule with a hypnaceous peristome and exostome teeth with fine cross