生活型

shrub

形態特徵

• Subshrubs; stems elongate, branched, scandent, coarsely appressed-strigose.
• Cauline leaves thick chartaceous, long-petiolate, ovate, 7–14×3–8 cm, acuminate at apex, rounded at base, margins much-toothed, appressed-strigose on both surfaces; petioles 12–23 mm long.
• Heads 3–6, terminal, 2–3 cm wide, peduncles 1.5–5.5 cm, slender; involucre 10–13×5–7 mm, bracts in 1 series, ovate-lanceolate or narrowly ovate, gradually narrowed to tip, densely appressed-strigose. Ray florets yellow, in one row; corolla 9–13 mm long, 2- or 3-dentate. Disc florets yellow; corolla 5 mm long, apex 5-dentate.
• Achenes 3–3.5×2–2.5 mm, cuneate at base, often 3-angled, coarsely strigose toward tip. Pappus bristles 2–2.5 mm long.

分布

• 台灣 : in littoral regions.
• 世界 : India to Pacific islands through southeast Asia, south China and Japan.

引證標本

TAIPEI: Tanshui, Chuwei, Peng 4503; Keelungyu, Peng 14100. ILAN: Chuangwei, Peng 7029. TAINAN: Anping, Wang 7832. PINGTUNG: Chialoshui, Peng 7162. TAITUNG: Lanyu Is., Peng 7208; Taimali, Chen 505. HUALIEN: Takeng, Peng 7366.

參考文獻

• PENG, Ching-I & CHUNG, Kuo-Fang; LI, Hui-Lin, Flora of Taiwan, second edition 4: 1093. 1998.  (Fl. Taiwan 2nd edit.)