生活型

herb

形態特徵

• Twining rarely prostrate herbs, glabrous or sparsely hairy.
• Leaves broadly ovate, orbicular, 2.5–8 cm long, 2–7 cm wide, entire, coarsely dentate to deeply 3-lobed, base cordate, slightly villous on both surfaces; petiole 3–18 cm long.
• Cymes 1-several-flowered, flowers aggregated; peduncle 1–12 cm long; pedicel 2–8 mm long; bracts minute, lanceolate-oblong; sepals subequal, 7–10 mm long, oblong to elliptic, obtuse or acutish, mucronulate, glabrous or sparsely hairy, margins distinctly fimbriate; corolla funnelform, 18–20 mm long, glabrous, pink or red-purple; stamens and style included, filaments hairy at base; ovary hairy.
• Capsules subglobose, 6 mm across, pilose; seeds 3.5 mm long, glabrous.

分布

• 台灣 : at low elevations in the center and south.
• 世界 : Native of tropical America, now a circumtropical weed.

引證標本

HSINCHU: Chunan, C. C. Lin s. n. MIAOLI: Staples et al. 1083. TAICHUNG: T. Y. Yang 562. CHIAYI: Alishan, S. Z. Yang 4138. KAOHSIUNG: Staples et al. 1105; Yehshechiu, Chun 1170. PINGTUNG: Hsiaoliochio, S. Z. Yang 24910.

參考文獻

• STAPLES, George William and YANG, Sheng-Zehn. 1998. Flora of Taiwan, second edition 4: 371. (Fl. Taiwan 2nd edit.)