Chamaesyce tashiroi

田代氏大戟

endemic

Chamaesyce tashiroi (Hayata) Hara

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

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

台灣首次記錄發表文獻

同發表文獻

異名

Euphorbia hypericifolia auct. non L.

Hayata, The Journal of the College of Science, Imperial University of Tokyo, Japan 20: 75. 1904. (J. Coll. Sci. Univ. Tokyo)
Euphorbia humifusa auct. non Willd.

Hayata, General Index to the Flora of Formosa 66. 1917. (Gen. Ind. Fl. Formos.)
Euphorbia tashiroi Hayata

Hayata, Icones Plantarum Formosanarum 9: 104. 1920. (Icon. Pl. Formos.)
Chamaesyce hypericifolia (L.) Millsp. var. tashiroi (Hayata) Hurusawa

Hurusawa, Journal of the Faculty of Science, Imperial University of Tokyo. Section III, Botany 6(6): 285. 1954. (J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot.)

各語言俗名

日

にしきそう. のこばにしきそう. けこばのにしきさう.

參考文獻

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 ascending, rarely prostrate, reddish, sparsely to densely sericeous; stipules free or fused at base, triangular, 0.4-0.6 mm long, puberulent at margin.
Leaves green or reddish, sometimes with several small purple spots, obovate- to ovate- oblong or elliptic, 5–15 mm long, 3–8 mm wide, acute to rounded at apex, obliquely truncate, rounded to subcordate at base, serrulate at margin, subglabrous above and sericeous below; petioles 0.8–1.3 mm long, sericeous abaxially.
Cyathia in loosely or densely peduculate cymes together with a solitary cyathium at nodes; involucres turbinate to campanulate, 0.5-0.9 mm long, pilose inside; stalks 0.5–1.4 mm long; glands 4, red, rounded to transversely elliptic, 0.1-0.5 mm long; appendages white, reniform, entire to undulate, 0.3-0.6 mm long, 0.1-0.5 mm wide; bracteoles linear to linear-oblanceolate, laciniate-larcerate at margin. Male flowers 5–15, anthers red. Female flowers with sericeous pedicel and ovary; style and stigma 0.3-0.5 mm long.
Capsules exserted, nutant, sericeous, the pedicels to 3 mm long; seeds brownish or grayish, tetragonal, oblong-ovoid, 0.8–1 mm long, 0.6-0.8 mm wide, smooth or slightly rugulose.

分布

台灣 : Endemic to Taiwan. It can be found in cultivated fields and on coral reefs, but is not common.

引證標本

TAIPEI: Tanshui, Tashiro s. n. 1895. CHANGHUA: Tienwei, Chaw & Lin 1204. YUNLIN: Thalibukoe, Tashiro s. n. 1895 (Type of Euphorbia tashiroi, TI!). TAINAN: Matou, Morilani 104. KAOHSIUNG: Hsiaokang,Shimada 6025C. PINGTUNG: Pingtung, Shimada s. n. 1915; Chuanfanshih, Lu & Ou 1560.TAITUNG: Lanyu, Hungtou, Huang & Kao 5181. HUALIEN: Hotien, Yashikawa s. n. 1923.