1.large tree native to eastern Europe and Asia Minor having leaves with white tomentum on the under side; widely cultivated as an ornamental.
原产于欧洲东部和小亚细亚的一种高大树,其叶子下面被白色绒毛；广泛作为观赏植物栽培。
2.Flowers solitary and terminal, 8-10 cm in diam., sessile; bracts 3; sepals 5, obovate, covered with caduceus tomentum outside; petals 6-8, white, obovate, 3-4.5 cm long, connate at base, outmost 2 hairy; stamens numerous, distinct, 1.7 cm long; ovary hairy, styles 3.
花单朵顶生，直径8-10厘米，无柄；苞片3；萼片5，倒卵形，外面有脱落性茸毛；花瓣白色，6-8片，倒卵形，长3-4.5厘米，基部连生，最外2片有毛；雄蕊多数，离生，长1.7厘米；子房有毛，花柱3。
