Flora of North America species comparison

erect, sparingly branched below inflorescence, 4-sided, 3–25 cm, glabrous or sparsely hairy.

spreading, branched, very leafy, 4-angled, 10–20 cm, short glandular-puberulent on internodes.

sessile, crowded at base, shiny;

blade oblanceolate to obovate and spatulate (proximal) or linear-lanceolate (distal), 0.5–1.5 cm × 0.5–2 mm, base round, apex acuminate, glabrous, often ciliate on margins.

sessile;

blade ovate to ovate-lanceolate, widest at or above middle, 8–30 × 2–13 mm, base round to cuneate, margins not scarious, apex usually obtuse, viscid.

terminal, 3–21-flowered (rarely more) cymes;

bracts linear-lanceolate, 1–12 mm, scarious distally, herbaceous proximally, often ciliate on margins.

terminal, 1–5-flowered, very leafy cymes;

bracts foliaceous.

ascending to erect, ± straight in fruit, 2–25 mm, glabrous.

ca. 10 mm in flower, elongating, recurved, and tortuous in fruit, glandular-pubescent, pushing capsule into substrate.

2–3 mm diam.;

sepals 5, with 3 prominent, ridged veins, very narrowly lanceolate, to acicular, 2.8–4.2 mm, margins wide, scarious, apex acuminate, glabrous;

petals 5 or absent, 1–3 mm, shorter than sepals, blade apex 2-lobed;

stamens 3–5;

styles 3, spreading, becoming curled, ca. 0.3 mm.

5–10 mm;

sepals 5, obscurely veined, ovate-obtuse, 3–5 mm, margins narrow, scarious, glandular-pubescent;

petals 5, 4–6 mm;

stamens 5;

styles 3, ascending, equaling petals.

green or straw colored, narrowly ovoid, 2–3 mm, shorter than sepals, apex obtuse, opening by 3 valves, splitting into 6;

carpophore absent.

green to straw colored, broadly ovoid to globose, 5–6 mm, apex obtuse, tardily dehiscent with 3 valves;

carpophore absent.

brown, round, 0.5–0.7 mm diam., minutely tuberculate.

3–6, rusty brown, ± ovate, ca. 2.5 mm diam., finely tuberculate.

= 20, 40.