生活型

herb

形態特徵

• Perennial erect herbs, somewhat woody at base. Stems terete, 1.2–2 mm thick, unbranched or branched from base and in upper part, 10–50 cm tall, appressed whitish woolly.
• Upper leaves lanceolate or lanceolate-spatulate, lower ones spatulate, base somewhat broadened and truncate, apex acute to obtuse, 1–5.5×0.1–0.5 cm, 1-nerved, upper surface thinly appressed whitish woolly, lower surface densely so.
• Heads subsessile or short pedunculate, campanulate, 10 or more in dense or branched terminal corymbs. Involucre pale brown, 3×3–4 mm, in 3 series, outer involucral bracts ovate, acute, ca. 2 mm long, inner ones oblong, obtuse, ca. 3 mm long. Outer florets many, corolla 2–2.5 mm long; central florets 4–7(–10), corolla 2–2.5 mm long.
• Achenes brown, oblong, ca. 0.5 mm long, glabrous; pappus ca. 2 mm long, deciduous.

分布

• 台灣 : exposed fields, roadsides, 1,000 to 3,200 m.
• 世界 : Widely distributed in Europe, Africa, North America, the Pacific and central and southeastern Asia.

引證標本

MIAOLI: Kuanwu, Peng 9433. NANTOU: Chingching Farm to Tsuifeng, Chen 986; Kuankao to Patungkuan, Peng 8125; Tungpushanchuang to Tatachiaanpu, Leu 1120. KAOHSIUNG: Taoyuan, Wang 1116; Tienchih, Wang 1143. PINGTUNG: Wutoushan, Wang 1015. TAITUNG: Takuanshan, Peng 11723. HUALIEN: Tayuling, Peng 9159.

參考文獻

• PENG, Ching-I & CHUNG, Kuo-Fang; LI, Hui-Lin, Flora of Taiwan, second edition 4: 977. 1998.  (Fl. Taiwan 2nd edit.)