Flora of North America species comparison

filiform.

filiform.

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.

erect, green or reddish purple, (5–)8–20(–25) cm, glabrous, internodes of all stems 5–7 times as long as 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.

not overlapping, connate proximally, with loose, scarious sheath 0.1–0.3 mm;

blade green or reddish purple, 3-veined proximally, midvein prominent abaxially, lateral veins 0.2–0.25 times as long as blade, straight to outwardly curved, flat, lance-attenuate to linear, 2–7(–9) × 0.5–1.2(–1.8) mm, flexuous, margins not thickened, scarious proximally, smooth, apex green or purple, rounded to acute, often mucronate, shiny, glabrous;

axillary leaves occasionally present.

5–30-flowered, open cymes;

bracts subulate to ovate, herbaceous.

5–20-flowered, open cymes;

bracts subulate, herbaceous, often scarious-margined proximally.

0.3–3 cm, stipitate-glandular.

(0.7–)1–3(–3.5) cm, glabrous.

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.

hypanthium disc-shaped;

sepals strongly 3(–5)-veined, lance-linear to lanceolate (herbaceous portion narrowly lanceolate to lance-oblong), 3.2–5.5 mm, not enlarging in fruit, apex green to purple, acute, not hooded, glabrous;

petals oblanceolate to oblong-elliptic, 1–1.5 times as long as sepals, apex obtuse to rounded, entire.

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

on stipe about 0.2 mm, ± ovoid, 3.5–5.8 mm, equaling or longer than sepals.

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

tubercles low, rounded.

brown or reddish, asymmetically reniform with radicle prolonged into beak, not compressed, 0.7–1 mm, minutely papillate.