Flora of North America species comparison

thickened, woody;

crown, many-branched, woody;

rhizomes and trailing stems to 60 cm.

stout, woody;

crown with radiating subterranean branches.

ascending to erect, ± green, 2–20 cm, densely glandular-hairy throughout, internodes of flowering stems 0.2–2 times as long as leaves.

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

tightly appressed to spreading, ± evenly spaced, connate proximally, with ± loose, scarious sheath 0.1–0.7 mm;

blade straight to recurved, ± green, flat, prominently 1-veined abaxially, broadly lanceolate to linear, 5–20 × 0.5–1.5 mm, ± rigid, margins rounded, scarious in proximal 1/3–1/4, apex green to purple, acute to acuminate or spinescent, navicular with small mucro or spinescent, dull, stipitate-glandular;

axillary leaves present proximally to throughout.

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.

(3–)6–30-flowered, open cymes;

bracts lanceolate to subulate, usually scarious.

5–12+-flowered, narrow cymes;

bracts ovate to subulate, ± scarious.

0.2–2 cm, stipitate-glandular.

0.2–3 cm, densely stipitate-glandular.

hypanthium disc-shaped;

sepals 1–3-veined, narrowly lanceolate to lanceolate or ovate (herbaceous portion narrowly lanceolate to lanceolate or ovate), 3–6(–7) mm, not enlarging in fruit, apex often purple, acute to acuminate or spinescent, not hooded, stipitate-glandular;

petals obovate, 0.5–1.6 times as long as sepals, apex rounded, entire.

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.

on stipe ca. 0.1–0.2 mm, ovoid, 5 mm, usually shorter than sepals.

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

reddish brown to dark brown, oblong-elliptic with hilar notch on 1 end, 1.5–2.7 mm, tuberculate;

tubercles low-rounded.

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

tubercles low, rounded.