Japan Flora: Perennial herb with yellowish brown appressed strigose hairs; rhizomes creeping, short, branching, slightly woody; stems 10 cm. long, few-leaved, erect; leaves 3-5 cm. long; free segments of the stipules lanceolate, gradually acute; leaflets 3, subcoriaceous, broadly cuneate, 5-12 mm. long, 4-10 mm. wide, truncate and with 3 coarse teeth at apex, grayish green; flowers 1-5, about 15 mm. across; calyx-segments lanceolate, acute; bracts of caliculus similar to the calyx-segments but smaller; petals 5, 1.5 times as long as the calyx-segments, obovate-orbicular; receptacle with dense strigose hairs about 4 mm. long; achenes ovoid, brown, about 1.5 mm. long, smooth, with straight hairs about 4 mm. long at the base and with minutely appressed hairs on the upper portion; styles filiform, 3-3.5 mm. long. July-Aug. Gravelly to sandy slopes, alpine.