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 persistent, compact);

petiole absent (cuneate base ± petiolelike);

blade oblanceolate to obovate, (2–)3(–5)-toothed or shallowly lobed apically, rarely unlobed (distal often so), (lobes forwardly directed), (2–)4–15 mm, slightly fleshy, margins entire, stipitate glandular-ciliate, apex obtuse, surfaces glabrate to stipitate-glandular.

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

(2–)6–15(–40)-flowered thyrses, (1–)4–25 cm, densely 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, (usually reddish purple), ovate or triangular to oblong, margins stipitate glandular-ciliate, surfaces stipitate-glandular;

petals white, not spotted, obovate to oblanceolate, (2–)3–6 mm, equaling or longer than sepals;

ovary inferior.

± folliclelike.

= 22.