Flora of North America species comparison

filiform.

filiform;

basal offshoots present.

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

erect or ascending, green, (8–)10–15(–20) cm, glabrous, internodes of flowering stems 0.8–1.2 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.

overlapping proximally, variably spaced distally, connate proximally, with ± loose, scarious sheath 0.1–0.2 mm;

blade spreading or ascending to outwardly curved, green, flat, 1-veined, linear-oblanceolate to linear-spatulate, (10–)20–30(–40) × 1–3 mm, flexuous, margins not thickened, minutely scarious, smooth, apex green, obtuse to broadly acute, shiny, glabrous, axillary leaves absent.

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

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

flowers solitary, terminal, or 1–3-flowered cymes;

bracts narrowly lanceolate, herbaceous.

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

12–30 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 dish-shaped;

sepals very weakly 3-veined, broadly oblong (herbaceous portion broadly oblong), 2–3 mm, not enlarging in fruit, apex green, obtuse or rounded, not hooded, glabrous;

petals oblong or obovate, 1.6–2 times as long as sepals, apex rounded to truncate, entire or slightly emarginate.

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

broadly ovoid, (2–)3–3.5 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.

reddish brown, asymmetrically reniform with radicle prolonged into beak, not compressed, 0.5–0.7 mm, reticulate.

= 20.