生活型

herb

形態特徵

• Perennial, deciduous, with long rhizomes, rather thick; stems short, usually simple, 5–30 cm high;
• radical and lower cauline leaves long-petiolate, spreading, usually deltoid or ovate deltoid, 10–20 cm long, once or twice pinnately ternate, the leaflets rather thick, elliptic, obovate-elliptic or ovate-orbicular, 2–5 cm long, 1–3 cm wide, obtuse to rounded at apex, often partly suffused with red, often glabrous except on the nerves, margins irregularly denticulate; umbels 1, sometimes to 3, densely long white-villose, the rays more than 10, 4–6 cm long, spreading crowded,
• the umbellets densely many-flowered, the bracts of the involucel linear, not exceeding the flowers; calyx-teeth 0.5–1 mm long; styles 1.5–2 mm long.
• Fruit large, 0.5–1.3 cm long, 0.3-0.9 cm broad, villose, the ribs all equally winged, thick.

分布

• 台灣 : Along the seashores in the northern part.
• 世界 : Distributed in Japan, Mainland China and along the coast of N. America from Alaska to California.

引證標本

TAIPEI: Shihmen, Chuang 3978*; Chinshan, Huang 5005*; Outi, Tang 1465; Yenliau, Kao 10617.

參考文獻

• KAO, MUH-TSUEN, Flora of Taiwan, second edition 3: 1024. .  (Fl. Taiwan 2nd edit.)