生活型

herb

形態特徵

• Annual herbs, 15–40 cm tall; stems erect or decumbent, simple or branched, branches sparsely pubescent.
• Leaves petiolate, ovate, 2–4 cm long, 10–25 mm wide, apex acute, base cordate to truncate, pubescent on both surfaces or on lower surface only; petiole 5–20 mm long.
• Flowers solitary and axillary or in terminal few-flowered subumbels or racemes; pedicels 5–25 mm long. Calyx 5-winged, 10–12 mm long in flower, 15–20 mm long in fruit, pubescent; bracteoles linear, 1–3 mm long. Corolla bluish purple or white, 25–40 mm long, ciliate. Anterior filaments without appendages near base.
• Capsule oblong, 8–12 mm long.

分布

• 台灣 : in moist roadsides, forest edges, paddy fields, and grasslands at low elevations.
• 世界 : India, Myanmar, central and southern China, Malesia, and Papua New Guinea.

引證標本

NANTOU: Chichi, Hsieh 1367. CHIAYI: Chonglun, Yen & Kao 10696; Kuanyin, Huang et al. 16158. TAINAN: Chiayi Farm, Huang & Huang 14196.

參考文獻

• LIU, Ho-Yih, Flora of Taiwan, second edition 4: 631. 1998.  (Fl. Taiwan 2nd edit.)