生活型

herb

形態特徵

• Herbs, prostrate or twining. Stems slightly hirsute or glabrous.
• Leaves very variable, linear to ovate, rarely orbicular to subquadrate, 2–4 cm long, 0.5–2 cm wide, apex obtuse to slightly mucronulate, base rounded, truncate to cordate or hastate, glabrous or nearly so; petiole 1–20 mm long.
• Cymes 1–3-flowered, glabrous; peduncle 1.5–7.5 cm long; bracts 1–2 mm long, ovate, obtuse; pedicel 3–5 mm long; flower buds oblong to elliptic, obtuse; sepals glabrous, oblong to elliptic, apex obtuse, unequal, ca. 5 mm long; corolla pale yellow, 1.5–2 cm long, ca. 1.5 cm across, midpetaline bands distinctly nerved; ovary glabrous.
• Capsules broadly ovoid to globular, wall thin, papery, smooth, glabrous, ca. 6 mm long; seeds dark brown or black, glabrous or sparsely floccose.

分布

• 台灣 : in the north only.
• 世界 : Tropical Asia and Australia.

引證標本

HSINCHU: Staples et al. 1067; Chupei, C. -I Peng 11189.

參考文獻

• STAPLES, George William and YANG, Sheng-Zehn, Flora of Taiwan, second edition 4: 378. 1998.  (Fl. Taiwan 2nd edit.)