生活型

herb

形態特徵

• Erect herb, 0.8–1.2 m tall, rootstock fibrous. Stems terete, striate, usually unbranched except in inflorescence, velutinous particularly on younger parts, terete.
• Leaves subsessile or short petiolate, oblong-lanceolate, 11–13×3–5 cm, velutinous, hairs with prominent base on upper surface, more or less villous on lower surface, apex acute, base attenuate, margins distantly serrate with mucronate teeth, veins 5 or 6 pairs.
• Heads 6–8 mm across, 10–12 mm long, in terminal and axillary panicles, pedunculate. Involucre globose-campanulate, bracts in 2–4 series, sometimes purple tipped; outer bracts linear-lanceolate, 3–4 mm long, 0.5–0.6 wide, margins ciliate. Receptacle slightly convex, 4–5 mm across, alveolate, remotely pilose. Corollas yellowish, tubular, central florets 8–9 mm long, with 5 triangular lobes, lobes with sessile glands and multicellular hairs; outer florets filiform, 7–8 mm long, with 3–5 lobes.
• Achenes pale brown, oblong, sparsely hirsute, ribbed. Pappus white, 5–6 mm long.

分布

• 台灣 : only a few records from the lowland in the western part.
• 世界 : India, Myanmar, southeastern Asia and China.

引證標本

TAIPEI: Nanshih, Masamune 4617; Kungkuan, Suzuki s. n. 1928. TAICHUNG: Fengyuan, Leu 1508.

參考文獻

• PENG, Ching-I & CHUNG, Kuo-Fang; LI, Hui-Lin, Flora of Taiwan, second edition 4: 888. 1998.  (Fl. Taiwan 2nd edit.)