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 oblong, 1.5–3 cm, ± leathery, base ± abruptly attenuate, margins subentire to slightly crenate, eciliate, surfaces glabrate to sparsely hairy.

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

20+-flowered, branched, ± capitate thyrses, 10–15 cm, hairy, sometimes purple-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 erect, ovate;

petals white, not spotted, ± obovate, clawed, 2–3.5 mm, ± equaling sepals;

filaments linear, flattened;

pistils 3+, connate to 1/2 their lengths;

ovary 1/2+ inferior, appearing more superior in fruit.

green to purple, ± folliclelike.

reddish to purplish, valvate.

= 24, 48.