Flora of North America species comparison

ascending, decumbent at base, branched, shortly rhizomatous, to 80 cm, softly pubescent, ± glandular, at least distally, rarely subglabrous.

erect, simple, 5–35 cm, glabrous or very sparsely short-pubescent.

sessile at mid and distal stem, petiolate to spatulate proximally;

petiole equaling or longer than blade of basal leaves;

blade ovate to elliptic, 3–13 cm × 10–50 mm (not including petiole), apex acute to acuminate, sparingly pubescent, densely so on abaxial midrib.

basal crowded, blade narrowly oblanceolate, 1–5 cm × 1–5 mm, tapered into broad ciliate base, apex acute;

cauline in 2–5 pairs, sessile, connate proximally, blade narrowly lanceolate, 1–4 cm × 2–7 mm, margins ciliate, apex acute.

dichasial cymes, several- to many-flowered, open, bracteate;

bracts lanceolate, 4–20 × 2–7 mm, herbaceous, softly hairy throughout with long-septate hairs, not glandular, or with some glandular hairs.

cymose, congested, 6–30-flowered, bracteate, pedunculate, often with smaller pedunculate branches in distal nodes;

bracts purple, lanceolate, 2–20 mm;

peduncle glabrous to sparsely puberulent.

ascending, 0.2–3 cm, usually shorter than calyx.

glabrous to sparsely puberulent.

unisexual, some plants having only staminate flowers, others having only pistillate flowers, 20–25 mm diam.;

calyx 8–12-veined, campanulate, narrowly so in staminate flowers, broadly in pistillate, 10–15 × to 7 mm in flower, 11 mm broad in fruit, herbaceous, margins dentate, softly pubescent, lobes 5, erect, lanceolate, 2–3 mm;

petals bright pink, clawed, claw equaling or longer than calyx, limb spreading horizontally, broadly obovate, unlobed or 2-lobed, to 12 × 12 mm, appendages 4, ca. 1 mm;

stamens and stigmas equaling petal claw;

styles 5.

sessile or short-petiolate, 5–10 mm diam.;

calyx purple, faintly 10-veined, campanulate, 4–6 × 3–5 mm, base attenuate into pedicel, lobes ovate, 1–1.5 mm, margins broad, membranous, apex obtuse;

corolla bright pink (rarely white), limb spreading, 2-lobed to middle, 3.5–7 mm, cuneate into claw, ca. 11/4–11/2 times calyx, appendages absent;

stamens ca. equaling petals;

stigmas 5, ca. equaling petals.

broadly ovoid to globose, equaling and often splitting calyx, opening by 5 (splitting into 10) revolute teeth;

carpophore absent.

ovoid, equaling to slightly longer than calyx, opening by 5 recurved teeth;

carpophore ca. 1 mm.

dark brown to black, broadly reniform, plump, 1–1.6 mm, densely and evenly papillate.

dark brown, reniform, 0.5–0.8 mm, verrucate with crescent-shaped pattern.

= 24.

= 24.