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 rounded, 4–15 cm;

blade round, ovate, or reniform, 3–15 cm, thin, base cordate, margins serrate to dentate, ciliate, surfaces hairy to glabrate.

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

15+-flowered, congested, spikelike thyrses, 15–50(–70) cm, tangled, pink- to 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 reflexed, oblong to ovate;

petals cream to yellowish, not spotted, oblong, not clawed, 3–4.5 mm, longer than sepals;

filaments narrowly club-shaped;

pistils connate at least 1/2 their lengths;

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

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

green, purplish tinged, ± folliclelike, (basally connate).