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

17. Potentilla microphylla D. Don, Prodr. Fl. Nepal. 231. 1825.

小叶委陵菜 xiao ye wei ling cai

Herbs perennial, low, usually tufted and pulvinate. Flowering stems erect, 2–3 cm tall, appressed white pilose. Radical leaves 0.5–6 cm including petiole, crowded or not; auricles of stipules free; petiole short, appressed pilose; leaf blade pinnate with 2–9 pairs of leaflets; leaflets elliptic or obovate, 2–4 × 1.5–2.5 mm, abaxially sericeous-pilose, later glabrescent, adaxially glabrescent, or both surfaces glabrous, margin pinnately lobed or parted, apex obtuse or acute; lobes or segments lanceolate; cauline leaf 1, small, margin entire or parted. Flower 1(or 2), 1–1.5 cm in diam.; pedicel 2–12 mm, appressed pilose. Sepals triangular-ovate, apex obtuse or acute; epicalyx segments lanceolate or elliptic-lanceolate, margin entire or 2-lobed. Petals yellow, elliptic to obovate, apex rounded. Style lateral; stigma slightly dilated. Achenes rugose. Fl. and fr. Jun–Aug.

Alpine meadows and rocky places; 3400--5200 m. Sichuan, Xizang, Yunnan [Bhutan, NW India, Nepal, Sikkim].

1 Leaves 0.5–1 cm, crowded, with 2 or 3(–5) pairs of leaflets.   17c var. tapetodes
+ Leaves 1–6 cm, not crowded, with 7–9 pairs of leaflets.   (2)
2 (1) Leaflets parted almost to midvein, apex acute.   17a var. microphylla
+ Leaflets lobed ca. 1/2 way to midvein, apex obtuse.   17b var. luteopilosa

Lower Taxa


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