生活型

vine

形態特徵

• Twining vines, stems 2–4-angled, narrowly winged, glabrous or sparsely pilose.
• Leaves ovate, usually entire, rarely coarsely dentate or slightly lobed, apex acuminate to obtuse and mucronulate, base cordate or hastate, glabrous or appressed-pilose adaxially, pubescent abaxially, 5.5–15 cm long, 3–14 cm wide; petiole 2.5–7.5 cm long, short-pilose.
• Cymes few-flowered, axillary; peduncle 2–18 cm long; pedicel pubescent, 12–35 mm long, clavate and elongated in fruit; bracts large, oblong or elliptic-oblong, pubescent, 1.5–2 cm long, deciduous; sepals ovate or broadly ovate, acute or short-acuminate, mucronulate, pubescent, 1.5–2.5 cm long; corolla 3–4.5 cm long, glabrous, white or white with yellow base; ovary glabrous.
• Capsules depressed-globose, 1.5 cm across; seeds dull black, smooth, 6 mm

分布

• 台灣 : at low elevations throughout the island.
• 世界 : Widespread in tropical Asia, East Africa, Australia and the Pacific islands; introduced in the Americas.

引證標本

TAINAN: Chishan, Chun 1260. KAOHSIUNG: Dabeihu, S. Z. Yang 30216; Nanshen, Yeh 555. PINGTUNG: Neipu, S. Z. Yang 3953; Hsiaoliuchiu, S. Z. Yang 24902; Staples et al. 1087, 1101.

參考文獻

• STAPLES, George William and YANG, Sheng-Zehn, Flora of Taiwan, second edition 4: 380. 1998.  (Fl. Taiwan 2nd edit.)