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.

in fans, 3–8(–10) cm;

sheath base with distinct chestnut brown patch;

blade olive green, narrowly linear, flat, 1.5–5 mm wide, smooth, margins 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 equaling principal leaves;

scapes narrowly linear, 0.5–1 mm wide, distally 2-ribbed;

spikes ovoid, mostly longer than broad, 3–8 mm, apex acute;

fertile bracts 4–5 mm, margins entire, apex keeled.

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, strongly curved, 2.5–3.5 mm, keel concolorous, firm, ciliate;

petals unfolding in morning, blade obovate, 3 mm;

staminodes bearded.

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

translucent, broadly ellipsoid, 0.3 mm, finely ridged longitudinally, with fainter cross-ridges.

= 18.