Verbena bonariensis

柳葉馬鞭草

naturalized

Verbena bonariensis 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

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名彙資訊

學名發表文獻

L., Species Plantarum 1: 20. 1753. (Sp. Pl.)

台灣首次記錄發表文獻

Peng & Kao, Journal of Taiwan Museum 39(2): 124. fig. 1. 1986. (J. Taiwan Mus., 台灣省立博物館半年刊)

異名

Verbena incompta Michael

Chen, Naturalized plants of eastern Taiwan 292. 2008. (Nat. Pl. East. Taiwan, 東台灣歸化植物)

各語言俗名

無

參考資料

Wu, Yang, Teng, Chang, Yang and Hsieh, Taiwania 55(2): 155. 2010.

特徵描述

生活型

herb

形態特徵

Erect perennials, 1–2 m tall; stems sharply and distinctly tetragonal, scabrous, hirsute on angles.
Leaves sessile, chartaceous, lanceolate to oblong-lanceolate, 4–14 cm long, 2.5–5 cm wide, apex acute, base cordate and subauriculate to semiamplexicaul, sharply and unequally serrate from below middle upward, entire toward base, both surfaces hirtellous, scabrous.
Inflorescence terminal, corymbose-spicate, compactly flowered, subtended by a pair of bracts; bracts lanceolate, 3–8 mm long, apex acuminate; bracteoles lanceolate, 2–3 mm long, each bearing a flower. Flowers blue to reddish-purple; calyx tube ca. 2.5 mm long, 5-toothed, pubescent outside; corolla tube 2.5–3.5 mm long, lobes 5, oblong, ca. 0.8 mm long.
Fruit subtended by persistent calyx tube, tetragonal.

分布

台灣 : naturalized in the northern part.
世界 : A native from Brazil and Bolivia southward through South America.

引證標本

ILAN: Fushan Botanical Garden, K. C. Yang 4769; Hsiaowei to Tapu, C. M. Wang & H. M. Lin 1478. TAIPEI: Neihu, Peng 6770; Tachih, K. C. Yang et al. 4620. TAOYUAN: Puhsin, H. F. Yen 10415.