Flora of North America species comparison

basal;

petiole flattened, 1–9 cm;

blade ovate to elliptic, 2–8 cm, slightly fleshy, base attenuate, margins entire or subentire, ciliate, surfaces tangled, reddish brown-hairy.

basal;

petiole flattened, 0.5–2 cm;

blade obovate to elliptic, 1.5–4 cm, fleshy, base attenuate, margins entire or apically denticulate, eciliate, surfaces glabrous or sparsely hairy.

30+-flowered, (flowers sometimes almost secund), very open, lax thyrses, 6–50 cm, hairy proximally, densely so distally.

5+-flowered, densely crowded in 1–3 glomerulate, often flat-topped thyrses, 3.5–15(–20) cm, sparsely purple-tipped stipitate-glandular.

sepals erect to ascending, ovate to triangular;

petals white, not spotted, broadly oblong to elliptic, not clawed, 3–6 mm, 2+ times as long as sepals;

filaments linear, flattened;

pistils distinct almost to base;

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

sepals ascending to spreading, ovate;

petals white, not spotted, elliptic to linear, clawed, 1.8–3 mm, slightly longer than sepals;

filaments linear, flattened;

pistils connate to 1/2 their lengths;

ovary inferior, appearing more superior in fruit.

green with reddish or purplish tinge, or reddish purple, folliclelike.

purple, folliclelike.

= 20.