Deschampsia flexuosa

曲芒髮草

Deschampsia flexuosa (L.) Trin.

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

Trin., Mémoires de l'Académie Impériale des Sciences de Saint-Pétersbourg. 2(1): 9. 1836. (Mém. Acad. Imp. Sci. St. Pétersb.)

台灣首次記錄發表文獻

Ohwi, Journal of Japanese Botany 17: 446. 1941. (J. Jpn. Bot.)

異名

Aira kawakamii Hayata

Hayata, The Botanical magazine, Tokyo 20: 47. 1906. (Bot. Mag. Tokyo)
Deschampsia kawakamii (Hayata) Honda

Honda, Journal of the Faculty of Science, Imperial University of Tokyo. Section III, Botany 3: 140. 1930. (J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot.)

各語言俗名

中

玉山米芒.
英

Wavy hair grass.
日

にいたかこめすすき.

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, slender, less than 30 cm tall.
Blade filiform; ligule tongue shaped, 2 mm long. Panicle open, loose, purplish, 5-12 cm long.
Spikelets 2-several-flowered, 5 mm long; glumes lanceolate, acute; lower glume 5 mm long, 3-nerved, lateral nerves shorter; upper glume 4 mm long, 1-nerved.
Floret 4 mm long, basal part covered with short hairs which are 1/3 their length of floret; lemma rounded at apex, as long as floret, with a bent awn arising from below middle; palea slightly shorter than lemma, minutely 2-tooted, 2-keeled abaxially. Anthers 2 mm long. Caryopsis glabrous, 2.5 mm long.

分布

台灣 : Common exposed gravelly soil in alpine zone, and rocky slopes in montane regions.
世界 : Widely distributed in Eurasia and North America.

引證標本

ILAN: Nanhutashan, Suzuki 18031; Kao 5263. HSINCHU: Tapachienshan, Kuoh 14438. TAICHUNG: en route from Tayuling to Pinfonshan, Lin 172; Hsuehshan, Shimada 2603F. NANTOU: Sonshuelou, Chen 16089; en route from Kuangkao to Patungkuan, Kuoh 14489. CHIAYI: Santungpu, Chen 11298; Morrisonshan, Hsu 9105. KAOUHSIUNG: Kuanshanlin, Kuoh 12003. HUALIEN: Tayuling, Hsu 3832.