Flora of North America species comparison

moderately stout, not woody.

filiform.

spreading to erect, cespitose, green, 3–15 cm, glabrous, internodes of all stems 0.2–0.6 times as long as leaves.

erect to ascending, green, 5–30 cm, glabrous or sometimes stipitate-glandular distally or throughout, internodes of all stems 1–7 times as long as leaves; wintering stems absent.

tightly overlapping, usually connate proximally, with ± loose, scarious to herbaceous sheath 0.2–0.8 mm;

blade straight to outwardly curved, green, flat, prominently 1-veined abaxially, linear to subulate, 3–10 × 0.1–1 mm, flexuous, margins not thickened, scarious, smooth, apex green or purple, rounded, navicular, shiny, glabrous;

axillary leaves present among cauline leaves.

overlapping proximally, connate proximally, with loose, scarious to herbaceous sheath 0.1–0.5 mm;

blade straight to variously curved, green, flat, prominently 1-veined abaxially, linear, 2–20 × 0.5–1.5(–1.8) mm, flexuous, margins not thickened, herbaceous, smooth, apex green or purple, blunt to acute, flat, ± shiny, glabrous to stipitate-glandular;

axillary leaves absent.

flowers solitary, terminal;

bracts linear to subulate, herbaceous.

5–30-flowered, open cymes;

bracts subulate to ovate, herbaceous.

0.3–1.5(–2) cm, glabrous.

0.3–3 cm, stipitate-glandular.

hypanthium disc-shaped, sepals prominently 3-veined, linear to lanceolate (herbaceous portion linear to lanceolate), 2–3 mm, enlarging slightly in fruit, apex usually purple, acute or rounded, not hooded, glabrous;

petals usually absent, if present, rudimentary, linear to oblong, shorter than sepals, apex entire.

hypanthium shallowly disc-shaped;

sepals prominently (3- or) 5-veined, narrowly to broadly lanceolate (herbaceous portion narrowly to broadly lanceolate), 4–5.5 mm, not enlarging in fruit, apex green or purple, narrowly acute to acuminate, not hooded, glabrous to sparsely stipitate-glandular;

petals obovate, 1.5–2.2(–3) times as long as sepals, apex rounded, broadly notched.

ellipsoid, 2–3 mm, equaling sepals.

on stipe ca. 0.1 mm or shorter, narrowly ellipsoid, 3–4.2 mm, shorter than sepals.

0.6–1 mm, brown, suborbiculate with radicle prolonged into beak, somewhat compressed, minutely tuberculate (50x).

reddish brown to black, suborbiculate, radicle obscure, slightly compressed, 0.5–0.6 mm, tuberculate;

tubercles low, rounded.

= 30.