Sporobolus indicus var. flaccidus

雙蕊鼠尾粟

Sporobolus indicus (L.) R. Br. var. flaccidus (R. & S.) Veldkamp

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

Veldkamp, Blumea 35(2): 433. 1991.

台灣首次記錄發表文獻

Hsu, Flora of Taiwan, second edition 5: 435. pl. 178. 2000. (Fl. Taiwan 2nd edit.)

異名

Sporobolus diander (Retz.) P. Beauv.

Ohwi, The Botanical magazine, Tokyo 55: 394. 1941. (Bot. Mag. Tokyo)

各語言俗名

英

Two-anthered smut grass.
日

ふたしべれずみのお.

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

Culms tufted.
Blade linear, needle-like at apex, 1.5 mm wide, margins covered with tubercled hairs, especially on mouth of sheath and margins; ligule chartaceous, upper part ciliate abaxially.
Inflorescence a long contracted panicle, ca. 25 cm long. Spikelets 1-flowered, ca. 1.6 mm long; glumes chartaceous; lower glume ca. 0.6 mm long, oblong, nerveless; upper glume lanceolate, 1-nerved, 2 times its length of lower; lemma chartaceous, lanceolate, boat shaped, ca. 1.6 mm nerveless; palea chartaceous, upper margins membranaceous, elliptic, ca. 1.4 mm long, nerves inconspicuous.
Fruit an utricle, ca. 0.8 mm long, rectangular in cross section; embryo 1/2 its length of utricle.

分布

台灣 : This is one of the common grasses growing on hills and plains in the southern part of the Island.
世界 : India Myanmar, Sri Lanka, extending to China, and Australia.

引證標本

TAIPEI: Taipei, Kira s. n. 5 Oct 1929. ILAN: Chiaochi, Hsu 825. TAOYUAN: Hsu 1222. NANTOU: Nantou, Puli, Masamune & Sasaki 4456*. CHIAYI: Chiayi, Wang 20006. YUNLIN: Huwei, Hsu 470. TAINAN: Chiali, Morimoto 265. KAOHSIUNG: Chiwei, Mori 7479. PINGTUNG: Oluanpi, Hsu 519; Fangliao, Hsu 497. TAITUNG: Taitung, Yamamoto 3582; Chihpen, Koyama 13081. HUALIEN: Yuli, Suzuki 5327.