生活型

herb

形態特徵

• Herbs. Stems prostrate or twining.
• Leaves ovate, broadly ovate to oblong or rarely orbicular to reniform, 3–10 cm long, 3–7.5 cm wide, apex acute, acuminate, or obtuse and mucronulate, base cordate, glabrous on both surfaces; petiole 3–8 cm long.
• Inflorescences 1-several-flowered; pedicel longer than sepals; bracts linear, 1–2 mm long; sepals glabrous, subcoriaceous, usually oblong, 6–12 mm long, mucronulate at apex; corolla funnelform, 3–4.5 cm long, purple or pink, glabrous; filaments hairy at base; ovary glabrous.
• Capsules subglobose, ca. 9 mm across; seeds 4, black, glabrous, 3.5–4 mm long.

分布

• 台灣 : sandy beaches and thickets near the seashore.
• 世界 : Coastal areas of the Indian and Pacific Oceans, Madagascar, India, Sri Lanka, Indochina, eastward to northern Australia and the Pacific islands; also in Mexico and the West Indies.

引證標本

PINGTUNG: Fengchuisha, Staples et al. 1097; Kenting, Chuang & Kao 1212. TAITUNG: Lutao Is., C. J. Cheng 89; Botel tobago, Hsiaotienchi, Wang et al. 6650; C. E. Chang 7137. HUALIEN: Takeng, C. -I Peng 7373.

參考文獻

• STAPLES, George William and YANG, Sheng-Zehn, Flora of Taiwan, second edition 4: 363. 1998.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)