Flora of North America species comparison

filiform.

stout, woody.

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.

suberect to ascending, green, 2–10-cm, retrorsely pubescent in lines, internodes of flowering stems 2–7 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.

tightly overlapping or not (vegetative and proximal cauline) or variably spaced (distal cauline), usually connate proximally, with tight, scarious to herbaceous sheath 0.5–1 mm;

blade straight to outwardly curved, green, flat, obscurely 1-veined abaxially, oblong or spatulate to elliptic, 5–10 × 0.7–2 mm, flexuous, margins not thickened, scarious, rarely ciliate proximally, apex green or purple, rounded, flat to navicular, shiny, glabrous;

axillary leaves mostly absent.

5–30-flowered, open cymes;

bracts subulate to ovate, herbaceous.

3–5-flowered, open cymes;

bracts lanceolate, herbaceous.

0.3–3 cm, stipitate-glandular.

0.5–1 cm, usually densely stipitate-glandular.

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 cup-shaped;

sepals 3-veined prominently in fruit, oblong to narrowly lanceolate (herbaceous portion often purple, oblong to narrowly oblanceolate), 3.5–4.5 mm, not enlarging in fruit, apex rarely purple, rounded, hooded (at least inner sepals) or not, glabrous to stipitate-glandular proximally;

petals white or often lilac, broadly oblanceolate, 1.4–1.7 times as long as sepals, apex truncate, often shallowly notched.

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

broadly ellipsoid, 5.5 mm, longer than sepals.

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

tubercles low, rounded.

brown, suborbiculate with radicle prolonged into beak, slightly compressed, 0.7–0.8 mm, smooth or obscurely scupltured (50x).

= 26.