Japan Flora: Densely long-silky perennial with short-creeping stout branching rhizomes; stems 10-30 cm. long, fcw-leavcd; radical leaves tufted, 5-15 cm. long; stipules brown, membranous, the free segments broadly ovate, oblique, acute; leaflets 3, broadly obovate-cuneate, 3-4 cm. long and nearly as wide, with ovate obtuse coarse teeth, rather thick-herbaceous to coriaceous-herbaceous, densely pubescent especially beneath; flowers 3-7, 3-4 cm. across; calyx-segments narrowly ovate, subacute, 6-15 mm. long; bracts of caliculus ovate, obtuse, rather small; receptacle short-pilose; achenes broadly ovoid, about 1.5 mm. long, with obsolete striations, acutely keeled on the back; styles filiform, 3-3.5 mm. long. July-Aug. Rocky places or on rocks near the sea.