Flora of North America species comparison

basal;

petiole flattened, 2–5 cm;

blade ovate, 2–7 cm, fleshy, base attenuate, margins serrate, rarely subentire, ciliate, surfaces hairy.

basal;

petiole flattened, 4–10 cm;

blade broadly ovate to deltate, 4–8(–10) cm, fleshy, base attenuate, margins entire or minutely denticulate, ciliate, surfaces glabrate to sparsely hairy.

20+-flowered, (flowers often secund), open, lax thyrses with distant lateral branches, 15–30(–40) cm, purple-tipped stipitate-glandular.

30+-flowered, (flowers sometimes almost secund), open, lax, conic thyrses with ± open cymules on lateral branches, 20–50 cm, purple-tipped stipitate-glandular.

sepals reflexed, sometimes spreading, triangular to ovate;

petals white, not spotted, elliptic to oblong, clawed, 2.5–4.5 mm, longer than sepals;

filaments linear, flattened;

pistils connate to 1/2 their lengths;

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

sepals spreading to slightly reflexed, ovate to deltate;

petals white, not spotted, obovate, clawed, 2–3 mm, longer than sepals;

filaments linear, flattened;

pistils connate to 1/2 their lengths;

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

purplish, folliclelike.

green or reddish purple, folliclelike.

= 20, 38.