紫玉兰Magnoliatill’fiora落叶灌木。株高sin，常丛生。小枝紫褐色，冬芽卵状椭圆形，有柔毛。叶倒卵形或倒卵状长圆形，长8～20cm，全缘。叶上面深绿色，下面淡绿色，托叶膜质，脱落后小枝上留一环状托叶痕，花单生于校顶，先叶开放或与叶同时开放。花钟形，花被9片。营片3， Magnoliatill’fiora deciduous shrub. Sin sin, often cluster. Branchlets purple-brown, winter bud ovate oval, pilose. Leaves obovate or obovate oblong, 8 ~ 20cm long, entire. The leaves above the dark green, light green below, stipules membranous, detached after leaving a ring-shaped caret marks on the branches, flowers solitary on the top of the school, the first leaves open or open with the leaves at the same time. Flower bell, perianth 9. Camp 3,