生活型

herb

形態特徵

• Dimorphic plant, spring form scapose, floriferous, smaller than autumn form. Stems 8–19 cm long, erect, simple, densely cobwebby hairy.
• Stems 8–19 cm long, erect, simple, densely cobwebby hairy. Radical leaves numerous, oblanceolate-oblong, 5–16 cm×13–45 mm, apex obtuse. mucronulate, base narrowed into petiole, margins lyrate-pinnatifid, segments remotely depressed-orbiculate, terminal segments ovate, irregularly dentate or rarely laciniate.
• Heads solitary, 15 mm across; involucre tubular, 8–10×5–10 mm, bracts in 3 series, loosely imbricate, membranaceous, glabrate to cobwebby hairy, outer shorter, linear, middles ones 0.5 mm broad, inner ones oblanceolate. Ray florets 1 series; corolla 10–12 mm long, bilabiate, one lip 2-lobed, lobes linear, 2–2.5 mm long, second lip 3 lobed, lobes connate, elongate, ligulate, separate at tip or entire. Disc florets bisexual; corolla 7 mm long, bilabiate, lobes of one lip 2, linear, 2.5 mm long, lobes of second lip 3, connate, short trifid at apex.
• Achenes 4.5–6 mm long, brown or blackish purple. Pappus 4.5–5 mm long, bristles unequal, persistent.

分布

• 台灣 : in alpine regions at 3,000 m; very rare, not collected for more than half a century.
• 世界 : Eastern Siberia, China to Japan.

引證標本

ILAN: Nanshan, Sasaki s. n. 1930; Nanhutashan, Sasaki et al. 17392. NANTOU: Tatachia, Masamune 3832.

參考文獻

• PENG, Ching-I & CHUNG, Kuo-Fang; LI, Hui-Lin, Flora of Taiwan, second edition 4: 968. 1998.  (Fl. Taiwan 2nd edit.)