生活型

herb

形態特徵

• A slender annual herb, about 30 cm high; stem sulcate, tomentose and mingled with long straight hairs.
• Leaves ovate, acuminate with obtuse tip, base slightly cordate or rounded, 2.8–4.5 cm long, 1.5–2.4 cm broad, margin serrate, teeth rounded, with long straight hairs along veins and veinlets at both surfaces; petioles tomentose and mingled with long straight hairs, 1–3.5 cm long.
• Spike axillary, shorter than bract: male flowers inserted at the upper portion, very small, ebracteate, sepals 4, yellowish brown when dry, valvate in bud; filament 8; female flowers inserted at the lower portion, bract deeply 3-fided, fid lanceolate, rounded at apex , with hairs and glandular hairs, sometimes the lateral lobes with one auricles at base; sepals laciniate at the apex.
• Fruit a capsule, 3-celled. Seeds 3 in each capsule, oval, brown, about 1.5 mm long, carunculate.

分布

• 台灣 : Confined to the forest floor beside brooks in the southern area at elevation of 1120 m.
• 世界 : Tropical Africa, India, China and Java.

引證標本

KAOHSIUNG: Tengchih, Huang, Huang & Wu 14906.

參考文獻

• HUANG, TSENG-CHIENG, Flora of Taiwan, second edition 3: 419. .  (Fl. Taiwan 2nd edit.)