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FOC | Family List | FOC Vol. 9 | Rosaceae | Potentilla

11. Potentilla rupestris Linnaeus, Sp. Pl. 1: 496. 1753.

石生委陵菜 shi sheng wei ling cai

Potentilla inquinans Turczaninow; P. okuboi Kitagawa.

Herbs perennial. Roots thick, terete. Flowering stems erect, 18–45 cm tall, pilose and glandular hairy. Radical leaves 6–15 cm including petiole; stipules brown, membranous, abaxially pilose and glandular hairy; petiole sparsely pilose and glandular hairy; leaf blade usually with 2 or 3 pairs of leaflets, sometimes 3-foliolate; terminal leaflet shortly petiolulate, lateral ones sessile; leaflets elliptic, obovate-elliptic, or ovate-elliptic, usually 1.5–5 × 1–2.5 cm, apical 3 much larger than others, both surfaces pilose and glandular hairy, adaxially glabrescent, base cuneate or broadly so, margin doubly incised serrate, apex obtuse or acute; cauline leaves resembling radical ones except upper ones sessile with leaf blade 3-foliolate; stipules green, ovate, herbaceous, margin entire, apex acute, rarely 2-fid. Inflorescence terminal, corymbose. Flowers ca. 2 cm in diam. Sepals triangular-ovate, apex acuminate; epicalyx segments narrowly lanceolate, nearly 1/2 as long as sepals, pilose and glandular hairy abaxially, apex subobtuse or acute. Petals white, obovate, nearly 2 × as long as sepals, apex rounded. Carpels glabrous; style sub-basal, fusiform, thickened at middle, gradually tapered at both ends. Achenes rugose at maturity. Fl. and fr. Jun–Aug.

Gravelly slopes; 1000--1100 m. Heilongjiang, Nei Mongol [Russia (Siberia); Europe].


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