Brachiaria mutica

巴拉草

naturalized

Brachiaria mutica (Forssk.) Stapf

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

Stapf, Flora of Tropical Africa 9: 526. 1919. (Fl. Trop. Afr.)

台灣首次記錄發表文獻

Ohwi, Acta phytotaxonomica et geobotanica eng 11: 43. 1942. (Acta Phytotax. Geobot.)

異名

無

各語言俗名

中

爬拉草.
英

Buffalo grass. Water grass. Para grass.
日

ばらぐらす.

參考文獻

Wu, Yang, Teng, Chang, Yang and Hsieh, Taiwania 55(2): 157. 2010.
Chen, The Invasive Alien Plant in Miaoli 294. 2006. (Invas. Al. Pl. Miaoli)
Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan)

特徵描述

生活型

herb

形態特徵

Perennials; culm stout, 5-8 mm in diam., decumbent and rooting at basal nodes, 2-5 mm long, node densely villous.
Blades pubescent, 10-30 cm long, 10-15 mm wide; sheath villous, longer than internode; ligule ca. 1.3 mm long, membranaceous, ciliate at apex.
Inflorescence of racemose racemes, racemes 12-20 cm long, rather distant, stout, simple or divided below; rachis narrow, scabrid, slightlly flattened; pedicel bristled. Spikelets usually paired, turgid, numerous, crowded on one side, ca. 3.5 mm long, elliptic, glabrous, green or purplish; lower glume triangular, 1-veined; upper glume and lower lemma subequal, 5-veined; lower lemma always paleate; lower palea slightly longer than spikelet; upper lemma elliptic, obtuse, margins narrowly incurved, obscurely dotted or roughened; anther ca. 2 mm long.

分布

台灣 : in open and shady areas, also in swampy places.
世界 : Originally from Brazil, introduced and naturalized elsewhere.

引證標本

TAIPEI: Taipei, Chang 10003; Wanshenlee, DeVol 8370. HSINCHU: Hsinchu, Shimada 5509B. KAOHSIUNG: Hsiaokang, Suzuki 211. HUALIEN: Hualien, Shimizu & Kao 10678.