Flora of North America species comparison

filiform.

threadlike.

erect to ascending, green, 7–20 cm, glabrous, internodes of stems 1–7 times as long as leaves.

spreading to erect, green, 1–5 cm, glabrous, internodes of all stems 2–10 times as long as leaves.

not overlapping, connate proximally, with tight, herbaceous or scarious sheath 0.1–0.3 mm;

blade straight to outwardly curved, widely spreading, green, flat, 1-veined abaxially, especially proximal, narrowly lanceolate to oblong, commonly linear, 2–20 × 0.3–1.5 mm, flexuous, margins not thickened, scarious, smooth, apex green to purple, rounded to acute, dull, glabrous;

axillary leaves poorly developed.

not overlapping, irregularly spaced, connate proximally, with loose, mostly herbaceous sheath 0.2–0.3 mm;

blade ascending to widely spreading, green, concave proximally, flat distally, obscurely 1-veined, awl-shaped to lanceolate, 1.5–5 × 0.2–1.5 mm, flexuous, margins not thickened, scarious throughout or proximally, smooth, apex green or purple, acute to obtuse, flat to navicular, often shiny, glabrous;

axillary leaves absent.

7–25+-flowered, open cymes;

bracts subulate to ovate, herbaceous, margins scarious.

2–9-flowered, open cymes;

bracts subulate, herbaceous, margins scarious proximally.

0.5–5 cm, glabrous.

0.1–0.5 cm, glabrous.

hypanthium disc-shaped;

sepals obscurely veined, ovate to elliptic or lanceolate (herbaceous portion elliptic to lanceolate), 2–3.5 mm, not enlarging in fruit, apex green, obtuse to rounded, not hooded, glabrous;

petals oblanceolate to spatulate, 1.5–2.5 times as long as sepals, apex rounded, entire to shallowly notched.

hypanthium disc-shaped;

sepals 1-veined, or weakly 3-veined in proximal 1/5, ovate to lanceolate (herbaceous portion lanceolate to narrowly so), 1.5–3.5 mm, not enlarging in fruit, apex green or purple, acute to acuminate, not hooded, glabrous;

petals narrowly lanceolate, 0.5–1 times as long as sepals, apex narrowly acute, entire, or absent.

on stipe shorter than 0.1 mm, pyramidal-ovoid, 3.5–4 mm, longer than sepals.

on stipe ca. 0.1 mm, ± ovoid, ca. 3 mm, equaling or longer than sepals.

yellowish brown, suborbiculate with radicle obscure, slightly compressed, 0.4–0.6 mm, tuberculate;

tubercles low, rounded.

brown or reddish, asymmetically reniform with radicle prolonged into beak, not compressed, 0.5–0.6 mm, minutely papillate.

= 14.