|
学名：Avena fatua L. 一年生或越年生草本植物。别名铃档麦.乌麦。 9—11月出苗,4—5月开花坚固,6月枯死。 形态特征：秆竖立单生或丛生,有2—4个节,株高60一120cm。叶鞘光滑或基部被柔毛；叶舌膜质透明；叶片宽条状。圆锥花序呈塔形开展,分枝轮生,小穗疏生；小穗生2—3朵小花,梗长向下弯；两颖近等长,一般9脉；外稃质地坚硬,下部散生粗毛,芒从锌体中间略下伸,2—4cm长,膝曲扭转,内程短。颖果长圆形,被浅棕色柔毛,腹面有纵沟。种子繁殖。 分布：广布于南北各省区,为田间杂草,可作牛.马的青饲料。 英文介绍: Formal name: Avena Fatua L. Annual or jump over year of unripe herb. Wheat of alias bell archives, Wu Mai. 9, in November emerge, 4, will blossom in May strong, withered in June dead. Configuration feature: Erect sheet gives birth to stalk or fascicular, have 2, 4 sections, individual plant is expensive 60 one 120cm. Vaginal and smooth or base ministry by fluff; Foliaceous tongue film is qualitative transparent; Blade wide strip. Panicle shows tower form to begin, ramose and verticillate, spicule is scanty unripe; Spicule is unripe 2, 3 floret, stalk is long be down a turn; Two clever wait nearly long, general 9 arteries and veins; Outside Fu quality of a material is solid, bottom comes loose unripe shag, awn from zinc fall slightly among body extend, 2, 4cm is long, genu music is turned round, inside Cheng is short. Caryopsis grows a circle, by shallow brown fluff, n has vertical channel. The seed is progenitive. Distributing: Wide cloth visits an area each at north and south, for field fireweed, can make the succulence of ox, horse. (责任编辑：花卉网) |