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.

cauline (crowded proximally);

petiole absent;

blade spatulate, unlobed, 2–7 mm, leathery, margins entire, densely glandular-ciliate, apex rounded or obtuse, not or short-mucronate, surfaces glabrous.

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

3–6-flowered cymes, 2–6.5 cm, pink- to purple-tipped stipitate-glandular;

bracts 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 to ascending, ovate to oblong, margins eciliate or glandular-ciliate, surfaces glabrous;

petals white to cream, yellow-spotted, sometimes sparsely red-spotted proximally, elliptic to obovate, 3–4 mm, longer than sepals;

ovary superior.

± folliclelike.

= 26.