Euphorbia heterophylla

白苞猩猩草

naturalized

Euphorbia heterophylla 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

如頁面顯示有問題，請填寫回報表單
如有任何意見也請留言，謝謝。

名彙資訊

學名發表文獻

L., Species Plantarum 1: 453. 1753. (Sp. Pl.)

台灣首次記錄發表文獻

Lin & Hsieh, Taiwania 36: 75. fig. 14, 15. 1991.

異名

Euphorbia geniculata Orteg

Ou, Bulletin of the Experimental Forest of National Chung Hsing University 5: 6. photo 5. 1984. (Bull. Exp. For. Natl. Chung Hsing Univ., 中興大學實驗林研究報告)
Euphorbia taiwaniana Ying

Ying, Cloured illustrated flora of Taiwan : Includes introduced species 2: 685. 1987. (Col. Ill. Fl. Taiwan Intr. Pl., 台灣高等植物彩色圖誌含引進種)

各語言俗名

中

柳葉大戟.
英

Yellow spurge. Maxican fire plant. Desert spurge. Milk weed. Various leaved euphorbia. Wild poinsettia. Fire plant. Painted spurge.

參考資料

Wu, Yang, Teng, Chang, Yang and Hsieh, Taiwania 55(2): 150. 2010.
Chen, The Invasive Alien Plant in Miaoli 176. 2006. (Invas. Al. Pl. Miaoli, 苗栗地區重要外來入侵植物圖鑑)

特徵描述

生活型

herb

形態特徵

A perennial herb. Stems ascending or erect, sparsely hirsute; stipules gland-like.
Leaves ovate to lanceolate, 30–12 mm long, 1–6 mm wide, acute to subacuminate at apex, obtuse to rounded at base, serrulate to entire at margin, puberulent on both surfaces; petioles slender, 4–12 mm long, hirsute.
Cyathia in terminal compound dichasia; bracteal leaves green or pale at base, leaf-like; involucre elongate-turbinate, 2.1–3.1 mm long, sparsely puberulent abaxially at apex, stalks 1.2–7.4 mm long, the lobes ovate, denticulate to cleft at apex, puberulent at margin; glands 1 or rarely 2, yellow, more or less funnel-like, the opening circular, 0.5–1 mm in diam.; bracteoles linear to oblanceolate, fringed. Male flowers 15–30, anther yellow. Female flowers with puberulent ovary, styles and stigmas 1.2–1.4 mm long.
Capsules 5–5.7 mm long, 3.6–4.1 mm in diam., puberulent. Seeds brownish or grayish, truncate-ovoid, 2.5–2.9 mm long, 2.1–2.3 mm wide, tuberculate; caruncle small, black.

分布

台灣 : It grows in waste places, riversides and trailsides in Taiwan.
世界 : E. heterophylla is native from southern United States to the West Indies and Argentina, and naturalized in the Old World Tropics.

引證標本

TAOYUAN: Upper Paling to Lalashan, Peng 11019. HSINCHU: Hengshan, Peng 12126. TAICHUNG: Tatushan, Yang 801. NANTOU: Aowantai, Chen 9600. CHANGHUA: Shengkang, Lin & Li 49. PINGTUNG: Oluanpi to Chialoshui, Ying s. n. 1985 (Type of Euphorbia taiwaniana Ying, NTUF!). TAITUNG: Kuanshan, Lu 19217; Is. Lanyu, Shuangshihyen to Hontou, Lin 772.