生活型

herb

形態特徵

• Stem 40–70 cm long, erect, usually simple, densely crisp puberulent.
• Leaves lanceolate, lower cauline ones smaller, median rather thick, lanceolate or linear-lanceolate, 6–12×1–2 cm, apex narrowly obtuse, mucronulate, base abruptly cuneate, short petiolate or subsessile, sometimes deeply 3-cleft, usually distinctly 3-nerved, upper surface green, lower surface pale, with resinous glandular dots, prominently crisp pubescent on both surfaces, margins sparsely and irregularly dentate; upper leaves smaller and narrower.
• Inflorescence of more or less compact corymbs, 6–9 cm broad; heads 4–5 mm long, 5-flowered; involucre cylindric, 4–5 mm long, bracts ca. 10, 2-seriate.
• Achenes cylindric, ca. 2.5 mm long, 5-angular; pappus white.

分布

• 台灣 : in grassy places in lowlands and shallow mountains, rare.
• 世界 : Korea, Japan, mainland China and the Philippines.

引證標本

TAIPEI: Shihlin, Odashima 13620. MIAOLI: Tunglo, Peng 11556. NANTOU: Shuishe, Sasaki s. n. 1929.

參考文獻

• PENG, Ching-I & CHUNG, Kuo-Fang; LI, Hui-Lin, Flora of Taiwan, second edition 4: 960. 1998.  (Fl. Taiwan 2nd edit.)