生活型

herb

形態特徵

• Climbing herbs, stem ribbed, glabrous or puberulous, often densely hairy at nodes.
• Median cauline leaves opposite, ovate or triangular-ovate, 3–10×1.5–5 cm long, apex acute to acuminate, base hastate or sagittate, lobes acute or obtuse, margins mucronulate-dentate or irregularly coarsely dentate, upper surface green, lower surface pale, glandular punctate on both surfaces, soon glabrate; petiole slender, often curved, 1–6 cm long.
• Heads 4 or 5, in paniculate in corymbs terminating lateral branches, subtended by small linear bracts ca. 2.5 mm long, short peduncled or subsessile. Involucre 6–7×2.5–3 mm, bracts 4-seriate, oblong, acute, 5–7 mm long, scarious margined, glandular puberulous. Florets 4 per head, corolla tube minutely glandular, 4–5 mm long, limb 1.5 mm long, 5-fid; anthers with triangular appendages at apex.
• Achenes linear-oblong, 3–3.5×0.5 mm, glandular. Pappus bristles numerous, 3–4 mm long, white or reddish when dry.

分布

• 台灣 : widespread from north to south, at forest edges.
• 世界 : Tropical Asia.

引證標本

TAIPEI: Hsiaokotou, Hsu 5200; Muchihshan, Shen 1974. ILAN: Nanao, Peng 13778. TAOYUAN: Hsiayunping, Peng 10283. HSINCHU: Wuchihshan, Kawakami 5902. MIAOLI: Yangmeishan, Peng 1809. TAICHUNG: Fengyuan, Peng 12168. NANTOU: Chingshuikou, Huang 1892; Jenlun Forest Road, Shen 157. CHIAYI: Tienyunshan, Peng 8879; Tsengwen Reservior, Chen 492. TAINAN: Kantoushan, Peng 7086. KAOHSIUNG: Shanhuhsi, Hsu & Peng 16098; Shanping, Lai 122. PINGTUNG: Lilungshan, Chen 866; Santimen, Peng 10240. TAITUNG: Tawu, Chung & Kao 2060; Lanyu Is., Peng 10635.

參考文獻

• PENG, Ching-I & CHUNG, Kuo-Fang; LI, Hui-Lin, Flora of Taiwan, second edition 4: 1015. 1998.  (Fl. Taiwan 2nd edit.)