內蒙古大麥(學名:Hordeum innermongolicum),一種分佈於中國內蒙古自治區、青海省等地的多年生草本植物,屬於禾本科大麥屬,[1]被列為中國國家二級重點保護野生植物。
形態特徵
內蒙古大麥高75-100厘米。稈直立,具根狀莖,基部節常膝曲;葉鞘無毛或基生者疏生短柔毛;葉舌短,長 0.5~1mm,葉片長4~12cm,寬2~5mm,扁平或稍內卷,穗狀花序頂生,長6~16cm,寬5~7mm,紅褐色;穗軸節間長約2~3 mm;三聯小穗兩側者小穗柄長0.5~1mm,穎針狀,長6~8mm,外稃長約5~7mm,芒長5~6mm;中間小穗無柄,常含2小花,第二小花不育,第一小花發育,穎針狀,長7~8mm,外稃長 7~8mm,貼生微短硬毛,具5脈,頂端芒長6~8mm;內稃與外稃近等長。[1]
參考文獻
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