生活型

herb

形態特徵

• Stems 50–70 cm long, erect, densely pubescent, often purplish, branched in upper half.
• Lower cauline leaves thin, ovate-oblong, 10–14×2.5–3.5 mm, apex obtuse to acuminate, base cuneate, long petiolate, petioles wingless; median cauline leaves lanceolate, apex acuminate, base cuneate-attenuate, short petiolate or sessile; upper leaves linear-lanceolate, gradually smaller upward.
• Heads numerous, 4.5 mm across, solitary on branches, nodding at anthesis, subtended by many leafy bracts, bracts longer than heads. Involucres campanulate-globose, 4×4–5 mm, bracts in 4 series, outermost bracts shortest, ovate, cuspidate, pubescent, median bracts narrowly oblong, rounded at apex, denticulate, inner bracts linear. Florets ca. 80; corolla of outer florets cylindric, 1.5 mm long, corolla of central florets tubular, 1.5 mm long, limb 4-lobed.
• Achenes 2.5 mm long.

分布

• 台灣 : in forests, ca. 800 to 2,000 m.
• 世界 : Japan and China.

引證標本

ILAN: Tayuanshan, Kao 3228. TAOYUAN: Paling to Lalashan, Peng 12120. NANTOU: Fenghuangshan, Kao 42. HUALIEN: Yenhai Forest Trail, Peng 12391; Tatung to Tali, Chen 166.

引用文獻

• PENG, Ching-I & CHUNG, Kuo-Fang; LI, Hui-Lin, Flora of Taiwan, second edition 4: 895. 1998.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)