Flora of North America species comparison

compact.

compact.

in narrow fans, 4–15 cm;

sheaths reddish, soft, papillate;

blade deep green, narrowly linear, 0.8–2(–3) mm wide, smooth, margins smooth to papillate.

erect or ascending, 4–15 cm;

sheaths glossy brown or red-brown, chaffy;

blade green, filiform or narrowly linear, twisted, to 1 mm wide, smooth.

scape sheaths exceeded by leaves;

scapes linear, wiry, terete, (0.25–)0.5–0.8(–1) mm wide, distally with 2–4 ribs, ribs papillate;

spikes broadly to narrowly ellipsoid or ovoid, 4–8 mm;

fertile bracts 3–4(–4.5) mm, margins erose or minutely fimbriolate, sometimes with narrow reddish border, apex very slightly to slightly keeled.

scape sheaths exceeded by leaves;

scapes linear, nearly terete, 0.5(–0.7) mm wide, smooth, not ribbed;

spikes ellipsoid to obovoid, 5–7(–10) mm;

fertile bracts ca. 4.5 mm, margins nearly entire, apex rounded.

lateral sepals slightly exserted, straight, 4.2–4.7 mm, keel scarious, entire or apically lacerate, apex red, narrow, firm;

petals unfolding in morning, blade obovate, 3–4 mm;

staminodes bearded.

lateral sepals included, reddish brown, linear-curvate, 4 mm, keel firm, ciliate;

petals unfolding in morning, blade obovate, 4 mm;

staminodes bearded.

translucent, narrowly ellipsoid, (0.6–)0.7–0.9(–1) mm, finely lined.

translucent, ellipsoid, 0.5 mm, distinctly longitudinally ribbed, with fainter transverse lines.

= 18.