生活型

herb

形態特徵

• Annual procumbent herbs, 7–20 cm tall; stems much branched, spreading, grooved, glabrous.
• Leaves subsessile, oblong to narrowly oblanceolate, 0.5–2 cm long, 0.1–0.4 cm wide, apex acute to obtuse, base cuneate to narrowly cuneate, both surfaces glabrous, papillose; ocreae tubular, 0.2–0.3 cm long, glabrous, not conspicuously nerved, upper margins lacerate.
• Inflorescence 2–6-flowered fascicles in axils of upper leaves; bracts lacerate, glabrous. Flowers white to pink; pedicels included; perianth segments 5, elliptic, 1–2 mm long, apex obtuse; stamens 5–6; styles 3-cleft, included; nectaries absent.
• Achenes dark brown to black, trigonous, smooth, shining, ca. 1 mm long.

分布

• 台灣 : in sunny fields at lower altitudes, throughout the island.
• 世界 : India, Nepal, Myanmar, Thailand, China (except Xinjiang), Russian Far East, Japan (Tanegashima, Yakushima & the Ryukyus), the Philippines, Indonesia, Africa and Australia.

引證標本

TAIPEI: Hsintien, Huang 5335. ILAN: Nanaw, Hsu 530. TAOYUAN: Yangmei, Peng 3108. MIAOLI: Yuanli, Jeng 476. TAICHUNG: Lishan, Kuo s n. 1977. CHYAYI: Lantan, Kuo 30. KAOHSIUNG: Neiwepi, Kuo 292. PINGTUNG: Shiaoliuchiu, Yang 2467.

引用文獻

• LIU, HO-YIH, Flora of Taiwan, second edition 2: 308. 1996.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)