Flora of North America species comparison

0.5–1 cm.

densely cespitose, 5-20 cm.

cespitose, stiffly erect, 3–28 cm.

sheaths brown to straw-colored;

basal leaves to 10 cm × 4 mm;

cauline leaves usually 2, reduced.

sheaths reddish;

basal leaves (persisting for several seasons,) reddish, exceeding inflorescence to as short as cauline leaves, glabrous;

cauline leaves 2–3, reddish, rarely to 6 cm, often reaching or exceeding inflorescence, glabrous.

glomerules 1-3, sessile;

proximal inflorescence bract inconspicuous, brown, much shorter to ± equaling inflorescence, apex often clear, dentate;

bracts deep brown, margins dentate;

bracteoles deep brown, margins dentate.

glomerules 1–4, pedunculate;

main branches 1–3(–4), arching in 1 direction, 1–4 cm, terminated by 2–several peduncles each bearing 1–5 flowers;

peduncles 2 mm;

;

proximal inflorescence bract usually inconspicuous, though variable in size and shape;

bracts and bracteoles conspicuous, clear to deep brown, margins lacerate to fimbriate to abundantly ciliate.

tepals deep brown with narrow clear margins and apex, 1.7-2.1 mm;

anthers ± equaling filament length.

tepals dark brown with clear apex, 1.6–2.6 mm;

outer whorl longer than inner whorl;

anthers ca. 2 times filament length;

stigmas much exceeding styles.

dark reddish to blackish, shining, spheric, 1.8-2.1 mm, usually exceeding tepals.

dark brown, ovoid, ± equaling to shorter than tepals.

translucent, clear brown, broadly elliptic, with few entangled hairs, 1-1.2 mm.

dark brown, (with tuft of fine tangled hairs), ellipsoid, 0.8–1.2 mm.

= 24.

= 36.