生活型

herb

形態特徵

• Perennial stoloniferous herbs. Flowering stems 8–25 mm tall, densely white lanate.
• Leaves mainly basal, rosulate, persistent at anthesis and throughout winter, linear to narrowly elliptic, 2–7×0.2–0.5 mm, lower surface densely tomentose, upper surface glabrous or sparsely villous; cauline leaves fewer, remote, linear, 1–4.5 cm long, ca. 2 mm wide, otherwise as basal ones.
• Heads several in a terminal, subcapitate cyme; subtending leaves 3–6, 0.5–2×0.2 mm. Involucre campanulate, 5×4–5 mm, bracts scarious, obtuse, brownish purple, 3-seriate, outer ones shorter, broadly elliptic, inner ones narrowly oblong. Corolla of outer florets 3.5 mm long; corolla of central florets ca. 3.5 mm long.
• Achenes oblong, ca. 1 mm long. Pappus white, ca. 3 mm long.
• Chromosome number, 2n = 28 (Peng & Hsu, 1978).

分布

• 台灣 : mountain slopes, roadsides, 400–3,000 m.
• 世界 : Japan, Korea and eastern China.

引證標本

TAIPEI: Yangmingshan, Peng 13982; Kuanyinshan, Wang 1308. TAITUNG: Haituan, Hsiangyang, Peng 11843. CHIAYI: Alishan, Peng 4602. HUALIEN: Mukuashan, Peng 7340.

引用文獻

• PENG, Ching-I & CHUNG, Kuo-Fang; LI, Hui-Lin, Flora of Taiwan, second edition 4: 977. 1998.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)