Flora of North America species comparison

basal;

petiole flattened, 4–8 cm;

blade ovate to elliptic, 1–4 cm, fleshy, base attenuate to ± truncate, margins serrate (15–30- toothed), eciliate, surfaces densely tangled, reddish brown-hairy abaxially, glabrous adaxially.

basal;

petiole flattened, 0.5–2.5 cm;

blade ovate to elliptic, 1–2 cm, ± fleshy, base attenuate, margins sharply serrate, sparsely to densely ciliate (some glandular-tipped), surfaces densely tangled, reddish brown-hairy abaxially, glabrous adaxially.

15+-flowered, open, flat-topped thyrses, 5–20 cm, purple-tipped stipitate-glandular; (bracts often tangled brown-hairy).

10+-flowered, (flowers often secund), very open, lax, often flat-topped thyrses with distant lateral branches, 6–25 cm, pink- to purplish-tipped stipitate-glandular.

sepals spreading, ovate, (often tangled brown-hairy);

petals white, not spotted, ovate to elliptic, clawed, 2–4 mm, longer than sepals;

filaments linear, flattened to slightly club-shaped;

pistils distinct almost to base;

ovary superior, (to 1/3 adnate to hypanthium).

sepals erect, triangular;

petals white, sometimes purplish-tipped, not spotted, obovate to elliptic, not clawed or barely clawed, 4–7 mm, ca. 2 times as long as sepals;

filaments linear, flattened;

pistils distinct almost to base;

ovary 1/3–1/2 inferior.

greenish to reddish purple, folliclelike.

purplish, valvate.

= 20, 38, 56, 58.