Flora of North America species comparison

stout, woody;

crown with radiating subterranean branches.

filiform.

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

erect, green, 5–25 cm, stipitate-glandular distally or throughout, internodes of stems 2–5 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.

overlapping proximally, often connate basally, with loose, scarious sheath 0.2–0.5 mm;

blade straight to outwardly curved, green, flat to concave, prominently 1-veined abaxially, narrowly lanceolate to subulate, 5–17 × 0.5–1.5 mm, flexuous, margins not thickened, often scarious, sometimes ciliate or stipitate-glandular, apex purple, apiculate, navicular, shiny to dull, glabrous or stipitate-glandular;

axillary leaves often present.

5–12+-flowered, narrow cymes;

bracts ovate to subulate, ± scarious.

7–25+-flowered, open cymes;

bracts subulate to lanceolate, scarious.

0.2–3 cm, densely stipitate-glandular.

0.2–1.5 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 prominently 3-veined, ovate to narrowly so (herbaceous portion narrowly ovate to lanceolate), 2.5–3 mm, not enlarging in fruit, apex green to purple, acute to acuminate, not hooded, densely stipitate-glandular;

petals obovate, 1.5–2 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. 0.1 mm, ovoid, 3–4 mm, longer than sepals.

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

tubercles low, rounded.

brown, suborbiculate with radicle prolonged to rounded beak, somewhat compressed, 0.4–0.6 mm, tuberculate;

tubercles low, rounded, elongate.

= 24.