Heteropogon contortus

黃茅

Heteropogon contortus (L.) P. Beauv. ex Roem. & Schult.

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

Roem. & Schult. 1817. Systema Vegetabilium 2: 836. (Syst. Veg.)

台灣首次記錄發表文獻

Ohwi. 1942. Acta phytotaxonomica et geobotanica eng 11: 170. (Acta Phytotax. Geobot.)

異名

Heteropogon contortus (L.) P. Beauv. ex Roem. & Schult. var. hispidissimus Honda

Honda. 1926. The Botanical magazine, Tokyo 40: 105. (Bot. Mag. Tokyo)

各語言俗名

中

黃茅、台灣紅鬚茅、紅鬚茅、扭黃茅
英

Tangle-head
日

たいわんあかひげがや

參考文獻

Yang. 1982. A list of plants in Taiwan. (List Pl. Taiwan)

特徵描述

生活型

herb

形態特徵

Rhizome stout. Culms to 60 cm tall.
Blades to 15 cm long, scabrous; ligule ciliate, ca. 1 mm long; sheath compressed and keeled, longer than internode.
Raceme single, 3-6 cm long. Spikelets paired, basal 3-10 spikelets imbricate, sterile, persistent, awnless; upper 10 spikelets paired, one pedicellate, other sessile. Sessile spikelets ca. 7 mm long, cylindrical, covered with brown hairs, awned from summit, awn long and stout; callus sharp pointed, ca. 2 mm long; glumes coriaceous, rounded abaxially; upper glume 2-nerved, margins membranaceous; upper lemma linear, membranaceous, tipped with a genicula awn of 10 cm long, column twisted and hairy.

分布

台灣 : in the south, usually along railways.
世界 : Widely distributed in the tropics, ascending to 2,000 m in the Himalaya.

引證標本

TAIPEI: Kankou, Sasaki 380284. CHANGHUA: Pahkuashan, Hsu 11239. TAINAN: Hsinhua, Hsu 13666. KAOHSIUNG: Fengshan, Chuang 4159. TAITUNG: Taitung, Suzuki s. n. 17 Oct 1934.