生活型

herb

形態特徵

• Perennial erect herbs with stoloniferous rhizomes. Stems terete, slender, 10–40 cm tall, minutely puberulous, unbranched or branching in inflorescence.
• Radical leaves rosulate, long petiolate, oblong, 13–25 mm long, 7–10 mm wide, apex acuminate, base rounded-cuneate elongate into winged petiole, margins sparsely mucronulate-serrate with 2 or 3 teeth, pubescent on both surfaces, petiole 2–5.5 cm long, sometimes withering at anthesis. Cauline leaves evenly scattered, 3-nerved, middle ones linear-oblong or lanceolate, 3–4 cm long, 7–9 mm broad, acuminate to caudate-acuminate often falcate near apex, base attenuate-cuneate, short-petiolate, margins mucronulate-serrate with 2–4 teeth, pubescent on both surfaces. Upper leaves gradually smaller.
• Heads few to many in loose corymbs or panicles, 1.2–1.5 cm across. Involucre campanulate to hemispheric, 2.5–3.5 mm tall, 5–6 mm across, peduncle slender, 3–14 mm long, densely puberulous, bracts herbaceous, green or purplish, 3 or 4 seriate, entire, obtuse or acute, linear-lanceolate, margins narrowly membranaceous, ciliate, sparsely hirsute on outside, inner bracts gradually longer 2.5–3.5 mm long, 0.5–1 mm wide, outer bracts 2–2.5 mm long, 0.5–1 mm wide. Ray florets 15–20 in 1 or 2 seriate, ligules white, 4–6 mm long, 1.3–1.6 mm wide, tube 2 mm long. Disc florets 4.5 mm long, yellow. Pappus dirty white, 2–3 mm long.
• Achenes oblong, compressed, 2–3 mm long, brown, sericeous.

物候

Fl. Jul-Sep.

分布

• 台灣 : alpine areas on high mountains, 3,300–3,700 m.

引證標本

NANTOU: Patungkuan, Ohwi s. n. 1933. CHIAYI: Yushan, Sasaki s. n. 1909 (TYPE!). KAOHSIUNG: Hsiangyang, Peng 8630.

參考文獻

• PENG, Ching-I & CHUNG, Kuo-Fang; LI, Hui-Lin, Flora of Taiwan, second edition 4: 857. 1998.  (Fl. Taiwan 2nd edit.)