Comprehensive Description
provided by North American Flora
Sieversia pentapetala (L.) Greene, Pittonia4: 49. 1899
Dryas pentapetala L. Sp. PI. 501. 1753.
Geum Dryas Crantz, Inst. 2: 175. 1766.
Anemone pusilla Gaertn. Novi Comm. Acad. Petrop. 14: 543. 1770.
Dryas anemonoides Pallas, Reise 3: 733. 1776.
Caryophyllata kamtschatica Lam. Encyc. 1: 400. 1783.
Geum anemonoides Willd. Sp. PI. 2: 1117. 1800.
Geum kamtschaticum Lam.; Poir. in Lam. Encyc. Suppl. 1: 618. 1810.
Sieversia anemonoides Willd. «Ges. Nat. Freunde Berlin Mag. 5: 398. 1811.
More or less suffruticose perennial, with ascending or decumbent branches; leaves pinnate, crowded at the ends of the branches, glabrous; leaflets 5-7, cuneate or obovate-oblanceolate, serrate towards the apex, 5-15 mm. long; peduncles 5-15 cm. long; bractlets lanceolate, glabrous, nearly as long as the sepals; sepals ovate-lanceolate, acuminate, 7-8 mm. long; petals spreading, white, rounded-oval or obovate, about 1 cm. long; plumose part of the style 1.5-2 cm. long; glabrous upper portion scarcely 2 mm. long.
Type locality: Kamtschatka.
Distribution: Aleutian Islands; also in Eastern Siberia and Japan.
- bibliographic citation
- Per Axel Rydberg. 1913. ROSACEAE (pars). North American flora. vol 22(5). New York Botanical Garden, New York, NY