Flora of North America species comparison

cauline, (marcescent, crowded proximally);

petiole absent;

blade (often reddish), linear to cuneate, 1–3-lobed or -toothed apically (distal cauline unlobed), rarely all unlobed, (lobes long spinose-mucronate), 5–20 mm, leathery, margins entire, softly glandular-ciliate, (nonsecreting hydathodes present adaxially), apex acute, long spinose-mucronate, surfaces glabrous.

basal and cauline, (basal usually withered at flowering, cauline reduced);

petiole absent or present, flattened, 2–10[–20] mm;

blade spatulate or elliptic to ovate, (2–)3(–5)-lobed apically or unlobed (lobes divergent), 2–10(–23) mm, thin, margins entire, stipitate-glandular, apex obtuse, surfaces ± purple-tipped stipitate-glandular to glabrate.

3–10-flowered cymes, 4–10(–24) cm, white to sparsely pink- to purple-tipped stipitate-glandular;

bracts sessile.

2–10[–50]-flowered, loose thyrses or cymes, sometimes solitary flowers, 0.5–6 cm, purple-tipped stipitate-glandular;

bracts sessile or short-petiolate.

sepals erect to ascending, (sometimes purplish), triangular-ovate, margins ± glandular-ciliate, surfaces white to purple-tipped stipitate-glandular;

petals white to cream, proximally to distally yellow-, orange-, and red-spotted, elliptic to ovate, 4–7 mm, much longer than sepals;

ovary superior.

sepals erect, elliptic to ovate, margins ± stipitate-glandular, surfaces adaxially ± stipitate-glandular;

petals white, not spotted, narrowly obovate to oblanceolate, 2.5–3 mm, longer than sepals;

ovary 3/4 to completely inferior.

= 26.

= 22 (Europe).