Flora of North America species comparison

filiform.

filiform.

erect to ascending, green, 5–20 cm, stipitate-glandular, often densely so, internodes of all stems 1–3 times as long as leaves.

erect, green or reddish purple, (5–)8–20(–25) cm, glabrous, internodes of all stems 5–7 times as long as leaves.

overlapping proximally, perfoliate proximally, with ± loose, scarious to herbaceous sheath 0.5–1 mm;

blade green, flat, 1-veined, oblanceolate to cuneate (proximal) to oblong-lanceolate to ovate (remaining cauline), 5–30(–35) × 2–4 mm, flexuous, margins not thickened, ± scarious, smooth, apex green to purple, obtuse to abruptly pointed, dull, glabrous;

axillary leaves absent.

not overlapping, connate proximally, with loose, scarious sheath 0.1–0.3 mm;

blade green or reddish purple, 3-veined proximally, midvein prominent abaxially, lateral veins 0.2–0.25 times as long as blade, straight to outwardly curved, flat, lance-attenuate to linear, 2–7(–9) × 0.5–1.2(–1.8) mm, flexuous, margins not thickened, scarious proximally, smooth, apex green or purple, rounded to acute, often mucronate, shiny, glabrous;

axillary leaves occasionally present.

7–12-flowered, open cymes, or rarely solitary, terminal;

bracts ± lanceolate, herbaceous, sometimes scarious-margined proximally.

5–20-flowered, open cymes;

bracts subulate, herbaceous, often scarious-margined proximally.

reflexed in fruit, 0.5–2.5 cm, stipitate-glandular.

(0.7–)1–3(–3.5) cm, glabrous.

hypanthium disc-shaped;

sepals obscurely veined, ovate to broadly elliptic (herbaceous portion ovate to broadly elliptic), 3–6 mm, to 7 mm in fruit, apex green or purple, acute to acuminate, not hooded, stipitate-glandular;

petals obovate to oblanceolate, 2–2.5 times as long as sepals, apex rounded, broadly notched.

hypanthium disc-shaped;

sepals strongly 3(–5)-veined, lance-linear to lanceolate (herbaceous portion narrowly lanceolate to lance-oblong), 3.2–5.5 mm, not enlarging in fruit, apex green to purple, acute, not hooded, glabrous;

petals oblanceolate to oblong-elliptic, 1–1.5 times as long as sepals, apex obtuse to rounded, entire.

sessile, broadly ellipsoid, 6–7.5 mm, equaling or longer than sepals.

on stipe about 0.2 mm, ± ovoid, 3.5–5.8 mm, equaling or longer than sepals.

dark brown to blackish, orbiculate with radicle prolonged into beak, only slightly compressed, 0.7–0.8 mm, echinate with rounded tubercles.

brown or reddish, asymmetically reniform with radicle prolonged into beak, not compressed, 0.7–1 mm, minutely papillate.