生活型

herb

形態特徵

• Annual monoecious herbs with slender prostrate stems.
• Leaves obovate or ovate-orbicular, 3–10 mm long, 2–4 mm wide, rounded to obtuse, base abruptly narrowed to petiole-like, triplinerved.
• Flowers without bracteoles; male flowers with very short stamens less than 0.4 mm long.
• Fruit slightly winged, shortly pedicellate.

分布

• 台灣 : wet places in the north.
• 世界 : The Ryukyus and Korea.

引證標本

TAIPEI: Taipei, Masamune s. n. 1937.

參考文獻

• YANG, Yuen-Po and HSU, Kuo-Shih. 1998. Flora of Taiwan, second edition 4: 429. (Fl. Taiwan 2nd edit.)