Flora of North America species comparison

cauline (marcescent, crowded), opposite (rarely alternate);

petiole absent;

blade oblong to ± broadly obovate, unlobed, 2–5 mm, leathery, margins entire, bristly-ciliate, with 1(–3) lime-secreting hydathodes (in pit, secretion obvious), apex obtuse, surfaces glabrous.

basal and cauline, (3–5, proximal similar to basal);

petiole ± flattened, 5–70 mm;

blade round or reniform, (3–)5–7-lobed (lobes obtuse), (3–)4.5–6.7(–10.3) mm, slightly fleshy, margins entire, eciliate, surfaces glabrous.

solitary flowers, ebracteate, 1–5 cm, glabrate or sparsely purple-tipped stipitate-glandular.

2–3(–5)-flowered, capitate cymes, sometimes solitary flowers, (flowers subsessile), (3–)6.7–9(–19.4) cm, tangled, nonglandular-hairy;

bracts petiolate.

sepals erect, ovate, margins stiffly ciliate or not, surfaces hairy, stipitate-glandular, or glabrous;

petals purple to pink, rarely white, often drying violet, not spotted, obovate to elliptic, (2–)5–12(–20) mm, longer than sepals;

ovary ± superior.

(hypanthium V-shaped in longisection, glabrous or sparsely short stipitate-glandular);

sepals erect, oblong to ovate, (0.7–1 mm wide), margins eciliate, surfaces abaxially glabrous;

petals white to pale purple, not spotted, oblong, (1.7–)3–4.4(–6.2) mm, ± equaling sepals;

ovary 1/2 inferior.

± folliclelike.

= 26.