生活型

herb

形態特徵

• Perennial herbs, ascending or procumbent; stem terete, densely hirsute.
• Leaves opposite, equal or slightly unequal in pairs, membranous to chartaceous, orbicular to oval, 3.5–5 cm long, apex obtuse, base cordate, margins crenate, 3-nerved, with hirsute along nerves beneath; petiole 0.6–2 cm long, densely hirsute; stipules 2, free, membranous, orbicular, 0.5–0.6 cm long, margins hirsute.
• Male inflorescences axillary, dense and head-like; female inflorescences axillary, lax and aniculately branched; flowers monoecious; male flowers: perianth 4-partite, segments concave, hirsute on the tips; stamens 4; pedicels hirsute on the upper part, ca. 0.7 cm long; female flowers: perianth 3-partite, segment small, unequal, ovary laterally compressed, oblong; stigma penicillate-capitate; achene ovate, compressed.

引證標本

HUALIEN: Chung-kwong community, elev. ca. 176 m, on the abandoned field and fallow field, 22 Aug, 2008, Tsai 526 (TAI).

參考文獻

• Shan-Huah Wu, Chih-Yuan Chang, Jenn-Kuo Tsai, Chao-Fen Chen, Yu-Yen Liu, Yung-Ching Deng, Tsung-Hisn, Taiwania 54(2): 179. 2009.