Flora of North America species comparison

filiform.

stout, woody.

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

erect to ascending, green, 3–10 cm, glabrous or sometimes stipitate-glandular, internodes of flowering stems 1–5 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.

tightly overlapping (vegetative), variably spaced (cauline), usually connate proximally, with tight, scarious to herbaceous sheath 1–1.5 mm;

blade straight to outwardly curved, green, flat, 3-veined, often prominently so abaxially, linear to oblong or narrowly lanceolate, 4–14 × 0.5–2 mm, flexuous, margins thickened, ± coriaceous, ciliate, often densely so, apex green, rounded, navicular, shiny, glabrous or essentially so throughout or abaxially, sometimes pubescent adaxially, hairs resembling cilia;

axillary leaves present among vegetative leaves.

7–25+-flowered, open cymes;

bracts subulate to ovate, herbaceous, margins scarious.

solitary flowers, terminal;

bracts linear, herbaceous.

0.5–5 cm, glabrous.

0.4–1 cm, usually densely stipitate-glandular.

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 cup-shaped;

sepals prominently 3-veined proximally, lanceolate to oblong (herbaceous portion often purple, lanceolate to oblong), 4.5–6 mm, to 9 mm in fruit, apex often purple, rounded, hooded, stipitate-glandular;

petals broadly obovate, 1.2–1.6 times as long as sepals, apex blunt or rounded, entire.

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

narrowly ellipsoid, 10–18 mm, longer than sepals.

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

tubercles low, rounded.

red-brown to brown, orbiculate with radicle prominent and notch filled with papillae, somewhat compressed, 1–1.1 mm (excluding papillae), rounded-tuberculate, ringed with longitudinal, cylindrical, tan papillae 0.5–0.8 mm.

= 14.

= 44 (Russia), 46, 48 (Russia).