Flora of North America species comparison

thickened, woody;

crown, many-branched, woody;

rhizomes and trailing stems to 60 cm.

stout, woody.

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, 10–30 cm, minutely retrorsely pubescent proximally, flowering stems stipitate-glandular, usually densely so, internodes of flowering stems 3–5 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.

tightly overlapping (vegetative), variably spaced (cauline), usually connate proximally, with tight, scarious to herbaceous sheath 0.5–1.8 mm;

blade straight to outwardly curved, green, flat, 3-veined abaxially, midvein more prominent than 2 lateral veins, filiform-linear, 10–18 × 0.8–1.3 mm, flexuous, margins not thickened, scarious, ciliate, often sparsely so, apex green, often with white callosity, acuminate-pungent, flat to slightly navicular, shiny, glabrous;

axillary leaves present among vegetative leaves.

(3–)6–30-flowered, open cymes;

bracts lanceolate to subulate, usually scarious.

3–13-flowered, open cymes;

bracts lanceolate, herbaceous.

0.2–2 cm, stipitate-glandular.

2–5 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 cup-shaped;

sepals prominently 3-veined, lanceolate to oblong-lanceolate (herbaceous lanceolate to oblong-lanceolate), 6–8 mm, not enlarging in fruit, apex green to purplish, rounded, hooded, stipitate-glandular, especially proximally;

petals oblanceolate, 1.3–1.5 times as long as sepals, apex rounded, entire.

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

narrowly ellipsoid, 7–10 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.

reniform, ca. 1 mm, tuberculate.