生活型

herb

形態特徵

• Annual erect to procumbent herbs with long taproots. Stems to 60 cm long, little-branched, green, pubescent with bladder-like hairs.
• Leaves flat, pubescent with bladder-like hairs, trullate to rhombic-ovate, 2-12 cm long, 15-50 mm wide, acute to obtuse at apex, cuneate to truncate at base; petioles 1-1.5 cm long.
• Pedicel 3-6 mm long; tepals greenish outside, yellowish inside, tubular, 1.5-2.5 mm long; stamens 5-20, greenish-yellow; ovary 3-8 celled, styles 3-8.
• Nuts fleshy when young, becoming dry and indurate when mature, ca. 1 cm long, with 2-5 horn-like projections; seeds usually 1 per cell.

分布

• 台灣 : common on sandy seashores.
• 世界 : Japan, China, Taiwan, Malesia, Polynesia, Australia, New Zealand and S. America.

引證標本

TAIPEI: Paisawan, Huang 4718; Shihmen, Lin 719. KEELUNG: Pengchiayu, Huang 15755. MIAOLI: Houlong, Kuoh 2600. TAICHUNG: Lishui, Tang 1023; Tatushi, Yang 977. PENGHU: Fongkuai, Hsu & Kuoh 4025; Shanshui, Chen 697*.

引用文獻

• LIU, HO-YIH, Flora of Taiwan, second edition 2: 331. 1996.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)