生活型

herb

形態特徵

• Perennial herbs, rhizomes thick. Stems several from base, erect, 6–10 cm tall, hispidulous, simple or branching upward, subscapose.
• Radical leaves in rosettes, linear-spatulate to spatulate, 2–6 cm long, 4–10 mm wide, apex obtuse, base narrowed, margins sparsely mucronulate to entire, hispidulous on both surfaces, sometimes nearly glabrous, margins ciliate with short hairs; cauline leaves linear or oblong-lanceolate, 1–3 cm long, 2–6 mm wide, apex obtuse, base slightly broader, margins entire, hispidulous or glabrate, ciliate with short hairs; upper leaves gradually smaller.
• Heads few, solitary or few terminating subscapose stem, 2–2.6 cm across (ligules included). Involucre bowl-shaped, 5–7 mm long, 11–15 mm across, bracts 3 seriate, linear-lanceolate, acuminate, densely villous, inner bracts 7–8 mm long, outer bracts slightly shorter than inner, reddish-purple or green and apically tinged reddish-purple. Ray florets numerous ca. 3-seriate, corolla ligulate, ligules 4–7 m long, ca. 1.5 mm wide, tube ca. 2.5 mm long, slightly puberulous, white to red-purple. Tubular pistillate florets lacking ligules, rarely mixed among ray florets. Disc florets numerous, corolla tubular, yellowish, 2–3 mm long, shortly 5-lobed; lobes sometimes red-purple.
• Achenes oblong, compressed, ca. 2 mm long, 0.5 mm wide, pale brown. Pappus 3–4 mm long, scanty, white or reddish.
• Chromosome number, 2n = 18 (Peng & Hsu, 1978).

物候

Fl. Jul-Sep.

分布

• 台灣 : on high mountains 3,400–3,900 m.

引證標本

NANTOU: Tashuikushan, Lee 13; Paiyangchinkuang to Hsiukuluanshan, Chen et al. 123. ILAN: Nanhutashan, Peng 5773, Hsu 6029. HSINCHU: Tapachienshan, Huang 114. TAICHUNG: Hsuehshanpeifeng, Wang 4642; Niitaka, Nagasawa s.n. 1905 (TYPE!).

參考文獻

• PENG, Ching-I & CHUNG, Kuo-Fang; LI, Hui-Lin, Flora of Taiwan, second edition 4: 948. 1998.  (Fl. Taiwan 2nd edit.)