Flora of North America species comparison

stout, woody;

crown with radiating subterranean branches.

moderately stout.

erect to ascending, green, 8–28 cm, glabrous, internodes of flowering stems 0.3–10 times as long as leaves.

erect to spreading, green, becoming purple, 12–30 cm, mostly glabrous, internodes of all stems 2–7 times as long as leaves.

variably spaced distally, overlapping (proximal 1/3), connate proximally, with tight, scarious to herbaceous sheath 0.2–1.5 mm;

blade straight to slightly spreading, green, concave, 3-veined, lateral veins less prominent, lanceolate to subulate, 2–13 × 1–5 mm, rigid, margins rounded, scarious in proximal 1/2–2/3, smooth, apex green, blunt to apiculate, navicular, shiny, glabrous;

axillary leaves present.

sometimes overlapping proximally, often connate proximally, with loose, scarious to herbaceous sheath 0.2–0.5 mm;

blade straight to recurved, green, becoming purple, concave, prominently 1(–3)-veined abaxially, linear-lanceolate, 5–15 × 1–2.5 mm, rigid, margins not thickened, slightly scarious, smooth, apex green to purple, obtuse to acute, often apiculate, flat to navicular, dull, densely stipitate-glandular;

axillary leaves absent.

5–12+-flowered, narrow cymes;

bracts ovate to subulate, ± scarious.

5–25+-flowered, open cymes;

bracts lanceolate to ovate, herbaceous.

0.2–3 cm, densely stipitate-glandular.

0.3–4+ cm, stipitate-glandular.

hypanthium disc- to cup-shaped;

sepals obscurely veined, ± broadly ovate (herbaceous portion ± broadly ovate), 2.5–3 mm, not enlarging in fruit, apex green, rounded, not hooded, stipitate-glandular proximally;

petals spatulate, 2.5–3.2 times as long as sepals, apex broadly rounded, entire.

hypanthium disc-shaped;

sepals weakly veined proximally, ovate (herbaceous portion ovate to narrowly so), 1.9–3 mm, not enlarging in fruit, apex often purple, ± acute to acuminate, not hooded, stipitate-glandular proximally;

petals oblanceolate, 1.8–2.3 times as long as sepals, apex rounded, entire.

on stipe ca 0.1 mm, ovoid, 4.7–5 mm, longer than sepals.

on stipe ca. 0.2 mm, broadly ovoid, 2.7–3.5 mm, usually longer than sepals.

brown, suborbiculate, without prolonged beak, not compressed, 0.6–0.65 mm, tuberculate;

tubercles low, rounded.

blackish brown, suborbiculate with radicle prolonged to rounded beak, somewhat compressed, 1.4–1.7 mm, tuberculate;

tubercles low, rounded, often elongate.