生活型

herb

形態特徵

• Stems 50–150 cm tall, robust, striate, sparsely glandular, minutely puberulent.
• Petiole of radical leaves 3.5–20 cm. Radical leaves glandular puberulent on both surfaces, oblong to elliptic, 20–35 cm long, gradually narrowed at both ends, usually pinnatifid, rarely undivided, terminal segments oblong-lanceolate, obtuse, lateral segments 7 or 8 pairs, narrowly oblong, apex obtuse, margins usually irregularly pinnate-lobulate; cauline leaves gradually reduced in size, lower ones petiolate, elliptic to lanceolate; usually pinnatifid, upper ones smaller, linear-lanceolate, entire.
• Heads many, 10–15 mm long, in corymbs. Involucre tubular, 8.5–12.5×5–8 mm, hairy, scales 6-seriate, outer bracts smaller, ovate, 2.5 mm long, obtuse, median and inner bracts linear, apex with a scarious appendage. Corolla purple, 10–14 mm long. Receptacle densely setose.
• Achenes 3.5–4×1 mm.
• Chromosome number, 2n = 28 (Peng & Hsu, 1978).

分布

• 台灣 : forest margins and grassy slopes, 1,000–2,200 m.
• 世界 : Japan and China.

引證標本

NANTOU: Shalihsienhsi Forest Road, Peng 10945; Shanchiaofeng, Wu 1011. PINGTUNG: Wutai, Peng 10209.

參考文獻

• PENG, Ching-I & CHUNG, Kuo-Fang; LI, Hui-Lin, Flora of Taiwan, second edition 4: 1049. 1998.  (Fl. Taiwan 2nd edit.)