生活型

herb

形態特徵

• Stems erect, 30–100 cm tall, puberulent upward, branches often spreading.
• lower leaves smaller; median leaves ovate or ovate-oblong, 4–20×3–12 cm, apex acute to obtuse, base rounded-cuneate, margins crenate-serrate or doubly serrate, upper surface green and shiny, lower surface pale, sparsely hairy on both surfaces; petiole 1–6 cm long; upper leaves few, linear, 5–10 mm long.
• Inflorescence of lax corymbs; heads 5.5–7×9–10 mm tall, pedunculate; involucral bracts 2-seriate, equal, base connate, narrowly oblong, apex rounded, reflexed; corolla tubular, 2.5 mm long, 5-dentate, glandular pilose; style long-exserted, arms 2 mm long; anthers included, base obtuse, apex not appendiculate.
• Achenes subcylindric, ca. 2.5–4×1 mm long, sparsely warty or glandular dotted; pappus bristles 3 or 4, 1 mm long.

分布

• 台灣 : in moist places and on shady forest floors in lowlands and mountains.
• 世界 : Japan, Southeast Asia, India, Sri Lanka and southern China.

引證標本

TAIPEI: Tatunshan, Shen 269; Wulai, Liao 1055. HSINCHU: Wuchihshan, Peng 12916. TAICHUNG: Shanchiaoshan, Shen 251, Tahsuehshan Forest Road, Chen 929. NANTOU: Fenghuang-shan, Ho 769; Sunlinhsi, Shen 174. CHIAYI: Kuanyin Waterfall, Yen 6823; Luangmei to Tsaoshan, Liao 86. KAOHSIUNG: Liukuei, Ohashi et al. 14915; Tengchih, Liao 86. PINGTUNG: Tahan Forest Road, Wang 396; Laofoshan, Lin 272. TAITUNG: Lanyu Is., Hongtoushan, Peng 10811. HUALIEN: Yenhai Forest Road, Wang 396; Loshan Waterfall, Chen 399.

參考文獻

• PENG, Ching-I & CHUNG, Kuo-Fang; LI, Hui-Lin, Flora of Taiwan, second edition 4: 816. 1998.  (Fl. Taiwan 2nd edit.)