Flora of North America species comparison

thickened, woody;

crown, many-branched, woody;

rhizomes and trailing stems to 60 cm.

filiform.

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

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.

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.

(3–)6–30-flowered, open cymes;

bracts lanceolate to subulate, usually scarious.

7–25+-flowered, open cymes;

bracts subulate to lanceolate, scarious.

0.2–2 cm, stipitate-glandular.

0.2–1.5 cm, 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-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. 0.1–0.2 mm, ovoid, 5 mm, usually shorter than sepals.

on stipe ca. 0.1 mm, ovoid, 3–4 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 with radicle prolonged to rounded beak, somewhat compressed, 0.4–0.6 mm, tuberculate;

tubercles low, rounded, elongate.

= 24.