关键词: 杨树, 彩叶, 雄性, 品种

Abstract: Populus deltoides‘Xuanhong’is a new colored foliar tree cultivar，which was obtained from a bud mutation of‘Zhonghong’. It is a kind of male cultivar with no floating catkins in spring and containing brilliantly colored leaves. During the growth period，the petioles，leaf veins，young stems and growing shoots of it are always showing red coloration，and then the red leaves change to orange red or orange yellow in defoliating stage gradually. This new poplar cultivar can be reproduced by cutting or grafting. Thus，it is a preferred ornamental cultivar for landscape or garden with simple cultivation.

Key words: Populus deltoides, colored foliar, male, cultivar