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, (basal usually ephemeral, gradually dying through growing season, cauline conspicuous, reduced distally);

petiole flattened, (5–)10–60(–90) mm;

blade round to reniform, 3–7(–9)-lobed usually less than halfway to midvein (distal unlobed), (3–)5–18(–20) mm, slightly fleshy, margins entire, eciliate or sometimes sparsely glandular-ciliate, apex rounded, sometimes acute, surfaces glabrous or sparsely stipitate-glandular.

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

2(–5)-flowered paniculate or racemelike thyrses, sometimes solitary flowers, (flowers nodding in bud), some or all flowers but terminal one on each branch often replaced by bulbils, 3–30 cm, stipitate-glandular;

bracts (proximal ephemeral), petiolate or sessile.

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.

sepals erect, (sometimes reddish), oblong, margins glandular-ciliate, surfaces short-stipitate-glandular;

petals white, not spotted, obovate to spatulate, 5–12 mm, longer than sepals;

ovary superior.

± folliclelike.

= 24, 36, 48, 52, 56, 60, 70, 72.