生活型

herb

形態特徵

• Perennial herbs, stems prostrate, to 50 cm long, branches sparsely pubescent.
• Leaves petiolate, ovate-elliptic to widely ovate-elliptic, 10–50 mm long, 8–25 mm wide, pinnately nerved, apex rounded, base attenuate, margins serrate-dentate, scabrous; petiole 4–20 mm long.
• Flowers in terminal bracteate racemes; pedicel longer than subtending bract, 3–12 mm long. Calyx cleft nearly to base, 7–9 mm long; lobes linear-lanceolate, scabrous at apically. Corolla bluish purple, 12–15 mm long. Stamens 2, posterior, fertile; staminodes 2, anterior, filiform, apex curved.
• Capsule cylindrical, much longer than the persistent calyx, 10–25 mm long.

分布

• 台灣 : in wet places and riversides at low elevations.
• 世界 : Nepal, India, Myanmar, Indochina, southern China, the Ryukyus, Malesia, and Papua New Guinea.

引證標本

TAIPEI: Wulai, Yang 1654. NANTOU: Chitou, Hsu 10978. PINGTUNG: Kenting, Hsu 4141.

參考文獻

• LIU, Ho-Yih, Flora of Taiwan, second edition 4: 607. 1998.  (Fl. Taiwan 2nd edit.)