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毛白杨(Populus tomentosa Carr)是我国特有的乡土速生用材树种,雌雄异株,分布广泛,北自辽宁及内蒙古南部,南达江苏、安徽北部,西至甘肃、宁夏等省(区),集中分布区为黄河中下游平原和低山沟谷及丘陵区。毛白杨生长快,寿命长,树干通直高大,树姿雄伟壮丽,木材材质优良,是深受群众喜爱的四旁绿化及主要造林树种。河北省是毛白杨主要产区之一,自然分类上雄株较多,雌株甚少。易县毛白杨(雌株)是毛白杨家族中一个多系雌株优良类型。源出自河北省易县西陵地区,是1951年秋末,河北省林科所的前身——原河北省西
Populus tomentosa Carr is endemic to China. It is dioecious and widely distributed in northern Liaoning and Inner Mongolia, south to Jiangsu, northern Anhui, west to Gansu and Ningxia provinces (districts) The area is the middle and lower reaches of the Yellow River plain and low mountain valley and hilly area. Populus fast growth, long life, the trunk straight tall, magnificent tree pose, wood material is good, loved by the masses surrounded by green and the main afforestation species. Hebei Province is one of the main producing areas of Populus tomentosa, more male plants in the natural classification, few female plants. Yixian Populus tomentosa (female) is a good family of more than a female plant Populus type. Source from Xiling Prefecture, Yi County, Hebei Province, is the late autumn of 1951, Hebei Forestry Institute’s predecessor - the original Hebei Province West