Flora of North America species comparison

simple, 5–15 cm, pubescent and viscid, with stipitate glands.

several–many, erect, branched and decumbent at base, rarely simple, 20–80 cm.

basal with blade 1-veined, oblanceolate, broadly spatulate, 1–4 cm × 2–8 mm, apex obtuse to acute, glandular-puberulent throughout, rarely subglabrous adaxially;

cauline in 3–6 pairs, sessile, reduced distally, blade lanceolate, narrowly elliptic, or oblanceolate, 2–4 cm × 2–8 mm, apex ± acute, glandular-puberulent throughout.

mainly cauline, 2 per node, sessile, almost clasping, reduced proximal to inflorescence, blade broadly oblong to oblanceolate or lanceolate, rarely ± linear, 2–8 cm × 5–30 mm, base round, apex acute to acuminate.

usually with solitary terminal flower, sometimes cymose, to 8-flowered, open.

open dichasial cyme, 5–40-flowered, bracteate;

bracts much-reduced, lanceolate.

erect or angled near tip with flowers slightly nodding, 1–3 times longer than calyx, glandular-puberulent, often densely so.

0.5–3 cm.

calyx prominently 10-veined, campanulate, not contracted proximally around carpophore, 15–20 × 4–8 mm, papery, margins dentate, veins parallel, usually purple tinged, with pale commissures;

lobes ovate, 3–5 mm, glandular-puberulent, midrib triangular, margins purple tinged, broad, membranous, apex obtuse;

corolla bright pink, clawed, claw equaling calyx, broad and ligulate but abruptly contracted into limb, limb broadly cuneate, shallowly to deeply 2–4-lobed, 5–15 mm, lobes broad or narrow, appendages absent or to 2 mm, margins erose;

stamens slightly longer than corolla claw;

stigmas 3(–5), slightly longer than corolla claw.

bisexual and unisexual, some plants having bisexual flowers, others having pistillate unisexual flowers, 15–20 mm diam.;

calyx pale green, rarely purplish, campanulate, not contracted at mouth or base, inflated, 9–12 mm in flower, 12–18 × 7–11 mm in fruit, herbaceous, papery, venation obscure, reticulate, without conspicuous pale commissures, margins dentate, lobes broadly triangular, 2–3 mm, glabrous;

petals white, ca. 2 times as long as calyx;

limb obovate, emarginate to 2-lobed;

stamens exserted by 2–4 mm;

styles 3, cream to greenish, at most slightly pink tinged, 2 times longer than calyx.

equaling calyx, opening by 6 (or 8 or 10) lanceolate teeth;

carpophore 1–2.5 mm.

ovoid to globose, equaling calyx, opening by 6 teeth;

carpophore 2–3 mm.

brown, broadly reniform, flattened, 2–2.5 mm, rugose, more coarsely so on margins.

black or nearly so, globose-reniform, 1–1.5 mm, finely tuberculate.

= 96.

= 24.