甘肃省禾本科一新记录种

A newly recorded species of Gramineae from Gansu Province

报道了甘肃禾本科(Gramineae)植物新记录种———芒颖大麦(Hordeum jubatum L.),该种植物在黑龙江、吉林、辽宁和内蒙古等省区已有分布报道.本文对该新记录种的形态、分布情况、居群大小和生境进行了描述并提供了照片资料,引证标本现存放于武威市畜牧兽医局植物标本室.

Hordeum jubatum L. , a newly recorded species of Gramineae in Gansu,China, was reported, which was only reported in Heilongjiang Province, Jiling Province, Liaoning Province and Inner Mongolia previously. The morphological descriptions, and photos of the species was given based on the newly discov- ered population,which grew in field at altitude of 1 360-1 650 m in Gulang County and Minqin County of Gansu,and the population only consisted of 8423 crumps. The voucher specimens were preserved in the herbarium of Animal Husbandry and Veterinary Bureau of Wuwei City