Phyllanthus amarus

小返魂

naturalized

Phyllanthus amarus Schum. & Thonn.

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

名彙資訊

學名發表文獻

Schum. & Thonn., Kongl. Danske Vidensk. Selsk. Skr. 4: 195. 1829.

台灣首次記錄發表文獻

Hatusima, Memoirs of the Faculty of Agriculture, Kagoshima University 7(2): 313. 1970. (Mem. Fac. Agric., Kagoshima Univ.)

異名

Phyllanthus niruri auct. non L.

Forbes & Hemsl., The journal of the Linnean Society of London. Botany 26: 422. 1894. (J. Linn. Soc., Bot.)

各語言俗名

中

葉下珠. 細本乳仔草.
日

きだちこみかんそう.
台

Pèh chu á chháu. Pèh kut chu á chháu. Sòe pún lin á chháu. Hiòh ê chu. Ah thô chu. Sió hoān hûn.

參考文獻

Wu, Yang, Teng, Chang, Yang and Hsieh, Taiwania 55(2): 150. 2010.
W. C. Lin, Wild flowers of Taiwan - the 1300 species found in the lower elevation . 2005. (Wild flowers of Taiwan)
Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan)

特徵描述

生活型

herb

形態特徵

An annual herb, glabrous, erect, 10–50 cm high; main stem terete, branchlets deciduous, subterete, angled when young.
Leaves simple, alternate, green above, pale beneath, elliptic-oblong or obovate, 5–12 mm long, 3–6 mm broad, papery, round to apiculate at apex, obtuse and equal or nearly so at base, entire; petiole short, 0.3-0.5 mm long; stipules triangular-lanceolate, 0.8–1.5 mm long.
Flowers axillary; cymules mostly bisexual, the proximal 1 or 2 axils with Staminate flowers, the other axils each with one Staminate flower and one Pistillate flower. Staminate flowers: sepals 5 (4), spreading, white, ovate or elliptic, one-veined, green; stamens 3 (2), filaments united into a column, anthers dehiscing horizontally or obliquely; disc segments 5 (4); pistillode absent; pedicels 0.6–1.3 mm long. Pistillate flowers: sepals 5, spreading, white, ovate-oblong , one-veined, green, acute or apiculate; styles free, bifid; ovary 3-celled, globose, smooth; disc flat, deeply 5-lobed; pedicels 1–2 mm long in fruit.
Capsules green to brown, depressed-globose, 3-lobed, 1.9–2.5 mm across. Seeds sharply trigonous, 0.9–1 mm long, with 5 or 6 straight parallel ribs on the back.

分布

台灣 : Now a circumtropical weed, common throughout the island in Taiwan.
世界 : Probably native to America.

引證標本

TAIPEI: Kueishan, Hsu 3452. MIAOLI: Tsaochiao, Ou & Kao 8842. CHANGHUA: Pakuashan, Deng 379. YUNLIN: Huwei, Deng 388. KAOHSIUNG: Ape's hill, Deng 470. PENGHU: Makon, Deng 494. PINGTUNG: Kengting, Kao 4223; Wanluan, Deng 455. TAITUNG: Chihpen, Deng 140; Is. Lanyu, Hsu 9417; Is. Lutao Huang & Kao 6947.