生活型

herb

形態特徵

• Herb; stem prostrate to ascending, branching from base, pale green or red, puberulent on the upper side; stipules at the upper side of stem free, triangular to linear-lanceolate, 0.2–1 mm long, puberulent at margin, those at the lower side fused, bifid at
• Leaves green to red, rounded to oblong, 2–6.7 mm long, 1.6–4.6 mm wide, acute to rounded at apex, obliquely rounded at base, serrulate at margin, glabrous or puberulent at the apex of lower surface; petioles 0.5–1 mm long, subglabrous.
• Cyathia solitary at nodes, usually on short congested lateral branches; involucres campanulate, 0.5-0.9 mm long, puberulent at tip of outside; stalks 0.7–3.3 mm long; glands 4, red, transversely elliptic or oblong, slightly concave, 0.1-0.3 mm long; appendages reddish, narrowly elliptic, entire to undulate, less than 0.2 mm long, 0.1 mm wide; bracteoles acicular. Male flowers 3–5, anthers red. Female flowers with puberlulent pedicel; ovary hirtellous mainly along angles; style and stigma 0.1-0.2 mm long.
• Capsules exserted, nutant, hirtellous mainly along angles, the pedicels to 2.5 mm long; seeds grayish, tetragonal, oblong-ovoid, 0.7-0.9 mm long, 0.4-0.6 mm diam, transversely rugose.

分布

• 台灣 : Commonly found in various habitats such as grasslands, roadsides, cultivated fields and seashores throughout the islands.
• 世界 : Pantropical.

引證標本

TAIPEI: NTU Campus, Hsu 15009; Tanshui, Lin 528. ILAN: Houhou, Lin et al. 502. TAOYUAN: Yangmei, Peng 731. MIAOLI: Yuanli, Lin et al. 250. TAICHUNG: Taichung City, THAI Campus, Lin 28. NANTOU: Lienhuachih, Lin 212. CHANGHUA: Peitou, Lin 202. YUNLIN: Santiaolun, Lin & Li 138. TAINAN: Chiali, Morimoto 101. KAOHSIUNG : Shimada 121. PENGHU: Penghu Islands, Kudo & Mori 3070. PINGTUNG: Hengchun, Huang & Hsiao 8215; Hsiaoliuchiu, Tientai, Hosokawa 1941. TAITUNG: Taitung, Lin 655; Is. Lanyu, Hongtou to Yehyin, Lin 791; Is. Lutao, Chang 16554. HUALIEN: Fonglin, Kao 9804.

引用文獻

• HUANG, TSENG-CHIENG, Flora of Taiwan, second edition 3: 442. .  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)