Arrhenatherum elatius
變葉燕麥草
naturalized
Arrhenatherum elatius (L.) P.Beauv. ex J.Presl & C.Presl
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
Hitchc., Fl. Čech. 17. 1819.
台灣首次記錄發表文獻
Chang-Yang, Su, Chiang & Hsieh, Taiwania 67(1): 1. 2022.
異名
-
Arrhenatherum elatius (L.) Presl f. variegatum Hitchc.Hsu, Taiwan Grasses 255. pl. 22. 1975. (Taiwan Grass.)
各語言俗名
-
英Tall oat grass. Ribon grass.
-
日ちよろぎがや. りぼんぐらす.
參考文獻
特徵描述
生活型
herb
形態特徵
- Rhizome well developed; culms swollen at basal nodes, erect, 50-100 cm high.
- Blades 10-20 cm long, 40-90 mm wide, with distinctly yellow and white stripes; ligule 1-3 mm long.
- Panicle erect to inclined, 8-25 cm long, branches whorled. Spikelets 2-flowered, monomorphic, 8-10 mm long, light green, occasionally purplish, shining; lower glume 1/2 as long as spikelet, 1-nerved; upper glume as long as spikelet or slightly shorter, 3-nerved.
- Lower floret male; lemma 7-nerved, basal part sparingly long hairy, with a stout awn from very base, awn geniculate, twisted. Upper floret bisexual; lemma 7-nerved, basal part long hairy, awnless or with short straight awn.
分布
- 世界 : An introduced and naturalized ornamental grass.
引證標本
TAIPEI: Taipei, Hsu 9737. NANTOU: Puli, Wu, Leu, Chiu s. n. 30 Jul 1970.
參考文獻
典藏標本
共有 4 份典藏標本
139972
Wu, Leu, Chiu
南投 Nantou
Wu, Leu, Chiu
南投 Nantou
139925
Wu, Leu, Chiu
南投 Nantou
Wu, Leu, Chiu
南投 Nantou
140351
許建昌 Chien-Chang Hsu
台北 Taipei
許建昌 Chien-Chang Hsu
台北 Taipei
207583
嘉義 Chiayi
嘉義 Chiayi