Flora of North America species comparison

stout, woody.

filiform.

ascending to spreading, green or often purple, 1–3 cm, glabrous, internodes of flowering stems 0.2–1 times as long as leaves.

widely spreading to erect, green, (1–)2–12 cm, glabrous, internodes of flowering stems 5–10 times as long as leaves.

overlapping, ± tightly (vegetative), ± evenly spaced proximally (cauline), connate-perfoliate proximally, with tight, herbaceous sheath 0.2–0.3 mm;

blade upwardly curved, green or often purple, keeled, prominently 1-veined abaxially, subulate, 3-angled, 1–4 × 0.5–0.7 mm, flexuous, margins rounded, herbaceous, smooth, apex green to purple, rounded, navicular, shiny, glabrous;

axillary leaves well developed.

not overlapping, all evenly spaced, connate proximally, with loose, herbaceous or scarious sheath 0.5–0.7 mm;

blade widely spreading, green, concave proximally, flat distally, weakly 1-veined abaxially, linear to awl-shaped or narrowly oblong, 2–5 × 0.2–1.5 mm, flexuous, margins not thickened, scarious proximally, smooth, apex green or purple, acute to often rounded, flat, dull to shiny, glabrous;

axillary leaves absent.

solitary flowers, axillary or terminal (rarely present);

bracts absent.

5–7(–9)-flowered, open cymes, or rarely flowers solitary;

bracts subulate, herbaceous, often scarious-margined proximally.

0.1–2 cm, glabrous.

0.2–1.5 cm, glabrous.

hypanthium disc-shaped;

sepals 1-veined, oblong-ovate (herbaceous portion usually purple, oblong-ovate), 1.5–2.5 mm, not enlarging in fruit, apex often purple, obtuse to acuminate, navicular, not hooded, glabrous;

petals obovate to spatulate, 1.5–2 times as long as sepals, apex obtuse, entire.

hypanthium disc-shaped;

sepals 1–3-veined, midvein sometimes more prominent than lateral veins, broadly lanceolate to elliptic (herbaceous portion narrowly elliptic to oblong), 2.5–2.8 mm, not enlarging in fruit, apex green to purple, rounded to acute, slightly hooded, glabrous;

petals elliptic to oblanceolate, 1.5–1.8 times as long as sepals, apex obtuse to rounded, entire.

on stipe ca. 0.1–0.2 mm, spheric, 1.5–2.5 mm, equaling sepals.

on stipe ca 0.1 mm, ± ovoid, 3–3.5 mm, longer than sepals.

brown, suborbiculate, compression unknown, ca. 0.6 mm, obscurely reticulate.

reddish brown, suborbiculate with radicle prolonged into beak, slightly compressed, 0.4–0.5 mm, minutely papillate.

= 58 (Russia), 60.

= 26.