生活型

herb

形態特徵

• An annual herb; much-branched annual; stems 10–50 cm long, 4-angled;
• leaves membranous, oblanceolate to linear, 5–50 mm long, 1–10 mm wide, narrowed at both ends, entire;
• flowers few, in dense axillary fascicles, the pedicels 0.2–1.5 mm long, glabrous; calyx 1–2 mm long, the lobes 0.5-0.7 mm long; petals absent; stamens 4, the anthers subglobose; styles 0.3-0.5 mm long; capsules globose, 1–1.5 rnm across, slightly exserted from the calyx.
• Commonly growing with A. multiflora together in paddy fields with lower and less branched stem.

分布

• 世界 : Africa, southeastern Asia, Europe, Australia, Japan, and Taiwan.

引證標本

CHANGHUA: Newpu, Huang 15009. KAOHSIUNG: Takanshan, Huang 13297*. HUALIEN: Chian, Huang & Wu 15110.

引用文獻

• HUANG, TSENG-CHIENG, Flora of Taiwan, second edition 3: 872. .  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)