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

70. Potentilla centigrana Maximowicz, Bull. Acad. Imp. Sci. Saint-Pétersbourg. 18: 163. 1874.

蛇莓委陵菜 she mei wei ling cai

Herbs annual or biennial. Rootlets numerous, fibrous. Flowering stems prostrate, ascending, or suberect, 20–50 cm tall, together with petioles glabrous or pilose, sometimes with adventitious roots at nodes in lower part. Radical leaves usually withered at anthesis; stipules brown, membranous, glabrous or pilose; leaf blade 3-foliolate; cauline leaves: stipules pale green, ovate, margin usually serrate, rarely entire; petiole long; leaf blade 3-foliolate; leaflets shortly petiolulate or subsessile, both surfaces green, elliptic or obovate, 0.5–1.5 × 0.4–1.5 cm, both surfaces glabrous or pilose, base cuneate to rounded, margin obtusely or acutely incised serrate, apex rounded. Flowers solitary, opposite leaves in lower part of flowering stem, axillary in upper part, 4–8 mm in diam.; pedicel slender, 0.5–2 cm, glabrous or subglabrous. Sepals broadly ovate or ovate-lanceolate, apex acute or acuminate; epicalyx segments lanceolate, shorter than or nearly equaling sepals, apex acuminate. Petals tinged yellow, obovate, shorter than sepals, apex emarginate or rounded. Style subterminal, base thickened; stigma not dilated. Achenes obovoid, ca. 1 mm in diam., smooth. Fl. and fr. Apr–Aug.

Damp forests, forest margins, fields; 400--2300 m. Guizhou, Heilongjiang, Jilin, Liaoning, Nei Mongol, Shaanxi, Sichuan, Yunnan [Japan, Korea, Russia].


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