Euphorbia thymifolia

千根草

Euphorbia thymifolia L.

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

L., Species Plantarum 454. 1753. (Sp. Pl.)

台灣首次記錄發表文獻

Forbes & Hemsl., The journal of the Linnean Society of London. Botany 26: 417. 1894. (J. Linn. Soc., Bot.)

異名

Chamaesyce thymifolia (L.) Millsp.

Hara, Journal of Japanese Botany 14: 356. 1938. (J. Jpn. Bot.)

各語言俗名

中

小號豬母乳. 乳草. 萹蓄草. 痢疾草. 紅乳草. 小飛揚草. 小本乳仔草.
英

Common milkweed.
日

いりおもてにしきそう.
台

Kè lō giâ kang chháu. Pián yhiok chháu. Pián chiong. Huân hûn chháu. Ó á bàk chháu. Âng bé á chháu. Âng kut sòe pun lin á chháu. Sòe pun lin á chháu. Âng lin á chháu. Âng lin chháu. Lin á chháu. Lin chháu.

參考文獻

Ciou & Pong, Illustrations of Hakka ethnobotany of Taiwan 70. 2008. (Illustration of Hakka ethnobotany 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

Herb; stem prostrate to ascending, green or reddish, sericeous on the upper side; stipules free at the upper side of stem, linear-lanceolate, 0.3–1.2 mm long, sericeous abaxially, those at the lower side sometimes fused.
Leaves green to reddish, obovate-oblong to oblong-lanceolate, 3–7.8 mm long, 2–4.7 mm wide, acute to rounded at apex, obliquely truncate, rounded or subcordate at base, serrulate at margin, sparsely sericeous below; petioles 0.4-0.8 mm long, sericeous abaxially.
Cyathia 1 to few on short congested lateral branches and appearing clustered; involucres turbinate-campanulate, 0.5-0.7 mm long, sericeous outside, pilose inside; stalks 0.2-0.5 mm long; glands 4, pale green or red, rounded to transversely elliptic or oblong, slightly concave, 0.1-0.2 mm long; appendages white to reddish, depressed obovate, undulate, up to 0.5 mm long, 0.2 mm wide; bracteoles acicular. Male flowers 3–4, anthers red. Female flowers with sericeous pedicel and ovary, style and stigma to 0.6 mm long.
Capsules ca. 1 mm long, 1 mm diam., not completely exserted at maturity and often rupturing side of involucres, sericeous; seeds reddish, tetragonal, oblong-ovoid, 0.6-0.7 mm long, 0.4-0.5 mm diam., transversely rugose.

分布

台灣 : Commonly found in grasslands and wilderness, cultivated fields and seashores throughout the islands.
世界 : Pantropical.

引證標本

TAIPEI: Kungkuan, Tanaka & Shimada 11115; Wanli, Kao 8830. ILAN: Ilan, Kudo & Sasaki 15446. HSINCHU: Hsinchu City, Sakada 25. MIAOLI: Tonghsiao, Lin & Chou 266. TAICHUNG: Taichung, THAI Campus, Lin 151. NANTOU: Yuechih, Lienhuachih, Lin 213. CHANGHUA: Tienwei, Lin 299. YUNLIN: Shuichangliu to Peikang river, Owatari s. n. 1898. CHIAYI: Chiayi, Lin et al. 278. TAINAN: Tainan City, Hsu 9601. PINGTUNG: Pingtung City, Matuda 162; Hsiaoliuchiu, Hosokawa 1936. PENGHU: Penghu Islands, Huang & Kao 6904. HUALIEN: Hualien City, Lin 38. TAITUNG: Sanhsientai, Yamamoto 2077; Is. Lanyu, Hungtou, Lin 802; Is. Lutao, Kudo & Mori 185.