生活型

herb

形態特徵

• A perennial, glabrous herb, 5–20 cm high, caespitose.
• Leaves subcoriaceous, radical leaves long-petiolate; the petioles 5–10 cm long, sheathing at base; blades pentagonous in outline, 2–3 cm across, 5-foliolate; leaflets rhombic-ovate, usually more or less trilobulate, the base cuneate, the margins serrate, with long sharp projections from the ends of the nerves; cauline leaves sessile, reduced upward, mostly 3-partite, the segments cuneate-oblanceolate.
• Umbels 2–3, terminal; involucres of 2–4 oblong-lanceolate bracts; involucels few, minute. Staminate flowers 5–7, exterior; calyx-teeth persistent; petals white, slightly inflexed at apices; perfect flowers sessile; solitary, interior.
• Fruit oblong-ovoid, slightly spined; carpels subterete, the ribs obscure. Seeds nearly terete.

分布

• 台灣 : Endemic. In woods at medium altitudes throughout the island.

引證標本

TAOYUAN: Lalashan, Matuda 1422. ILAN: Nanhutashan, Kuo 5092; Taipingshan, Chuang & Kao 4129. HSINCHU: Kuanwu, Huang 6695. TAICHUNG: Sonlin, Masamune 1330. NANTOU: Yunhai to Tentsu, Kao 5786. CHIAYI: Alishan, Huang & Kao 1729; HUALIEN: Chingshuishan, Shimizu 12549.

參考文獻

• KAO, MUH-TSUEN. 1993. Flora of Taiwan, second edition 3: 1040. (Fl. Taiwan 2nd edit.)