Flora of North America species comparison

basal and cauline, (marcescent, crowded);

petiole absent;

blade (sometimes reddish), linear or linear-lanceolate to narrowly elliptic, unlobed, 3–15 mm, leathery, margins entire, stiffly, often hooked, white-ciliate, sometimes also glandular-ciliate, apex acute, white spinulose-mucronate (spine 1–1.5 mm), surfaces glabrous, sometimes adaxially sparsely sessile-glandular.

basal and cauline;

petiole ± flattened, 10–70 mm, (± hairy);

blade reniform, 5–7(–11)-lobed (lobes obtuse, sometimes acute), (5–)7.4–11.2(–20) mm, slightly fleshy, margins entire, sparsely glandular-ciliate or eciliate, apex rounded to obtuse, surfaces glabrous or sparsely short stipitate-glandular.

2–15-flowered cymes or thyrses, sometimes solitary flowers, 5–20 cm, sparsely short stipitate-glandular;

bracts sessile.

2–6(–29)-flowered, capitate thyrses, sometimes solitary flowers, (flowers subsessile), (3–)5–15(–18) cm, densely tangled, reddish brown-hairy;

bracts (5–10), petiolate, (3–7-lobed, densely surrounding inflorescence).

sepals ± erect, (purplish), ovate to triangular, margins eciliate or sparsely glandular, surfaces glabrous or sparsely sessile-glandular;

petals yellowish white, purple- or red- to yellow-spotted, oblong to elliptic, 3–7 mm, longer than sepals;

ovary superior.

(hypanthium U-shaped in longisection);

sepals erect, oblong to ovate, margins ± glandular-ciliate, surfaces glabrous or sparsely short stipitate-glandular;

petals white, not spotted, ± broadly elliptic to obovate, 2–5(–6.5) mm, ± equaling sepals;

ovary ca. 1/2 inferior.

= 26 (Russian Far East).