Flora of North America species comparison

basal;

petiole rounded, 2–30 cm;

blade round, 7–40 cm, thin to slightly fleshy, base cordate to truncate, margins regularly dentate, eciliate, surfaces sparsely brownish hairy abaxially, glabrous adaxially.

basal;

petiole flattened, 1–3 cm;

blade broadly ovate to triangular, 1–3 cm, fleshy, base attenuate, margins coarsely serrate, ciliate, surfaces sparsely to moderately tangled, reddish brown-hairy abaxially, glabrous adaxially.

10–30+-flowered, open, lax, flat-topped thyrses, 20–65(–85) cm, glabrous proximally, purple-tipped subsessile-glandular distally.

(5–)10–40-flowered, congested, ± glomerate or capitate thyrses, 4–20 cm, usually densely yellow- to cream-tipped stipitate-glandular.

sepals reflexed, ovate to elliptic;

petals white, each with 2 basal yellow spots, round to broadly elliptic, clawed, 3–4.5 mm, longer than sepals;

filaments strongly club-shaped, (to 6 mm);

pistils connate ca. 1/2 their lengths;

ovary superior.

sepals ascending, ovate;

petals white, not spotted, oblong to elliptic, clawed, 2–4 mm, 1.5+ times as long as sepals;

filaments linear, flattened;

pistils connate to 1/2 their lengths;

ovary inferior, appearing more superior in fruit.

green to purple, ± folliclelike.

purple, folliclelike.

= 24, 48.

= 20, 38, 40, 56.