生活型

herb

形態特徵

• A caespitose perennial herb.
• Leaves mostly basal, 5–7-foliolate, rarely 9, the cauline leaves usually 3-foliolate; leaflets oblong to ovate, coarsely serrate, acute to obtuse at apex, the upper surface thinly villose, the under surface appressedly white-sericeous, the uppermost leaflet largest, 2–3 cm long, 6–8 mm wide, the lateral ones smaller and oblique; stipules ovate, adnate to the petioles, the free tip acuminate and serrate.
• Flowers cymose; calyx-lobes 3–4.5 mm long, 1–1.5 mm wide; epicalyx-lobes short, 2–2.5 mm long, 0.5–0.8 mm wide, pubescent inside, gray-tomentose outside; petals 5, yellow, broadly obovate, 4.5–5.5 mm long, 4–5 mm wide, emarginate.

分布

• 台灣 : in sunny places at rather low altitudes throughout the island.
• 世界 : China, Japan, and Korea.

引證標本

TAIPEI: Tanshui, Shimada 1195; Chilung, Sasaki 11889. TAOYUAN: Shimada 1154. HSINCHU: Shimada 838d.

參考文獻

• OHASHI, HIROYOSHI, Flora of Taiwan, second edition 3: 89. 1993.  (Fl. Taiwan 2nd edit.)