Up to 2.5 dm. tall, with stout, woody, creeping stock up to 5 dm. long. Lvs radical, rosulate, up to 1 dm. long, glab. to rather densely pilose; terminal lflt 2-4 × 1·5-3 cm., broadly ovate to oblong-cordate, crenate, margins densely ciliate with slender golden yellow to tawny hairs; lateral lflts of 1-2 minute, toothed or entire pairs. Scapes up to 15 cm. tall, pubescent and villous; bracts few, small, entire or toothed. Fls solitary, c. 2.5 cm. diam.; petals broad-ovate, white, c. 1·5 cm. long; calyx pubescent and villous, lobes c. 6 mm. long, narrow-ovate, bractlets shorter, often bifurcate. Achenes ∞, villous, compressed, c. 2 mm. long; style c. 5 mm. long, pilose towards achene, recurved at tip.

2n = 42

2n = 42

Low-growing herb up to 15-(20) cm high at flowering, arising from a ± stout, woody stock. Basal lvs up to 5-(12) cm long, glabrate to moderately pilose with a dense marginal rim of harsh usually orange-red hairs, imparipinnate; lateral leaflets in 1-2-(5) pairs, all very reduced and lowest rudimentary; terminal leaflet 10-30-(40) mm long, crenate-dentate and sometimes obscurely lobed; cauline lvs reduced to small, toothed bracts. Peduncle up to 18 cm long. Fls solitary. Petals (7)-10-15-(17) mm long, creamy white. Achenes densely pilose especially on margins.