杜英又名胆八树、山杜英,为杜英科杜英属常绿乔木。适宜在园林绿地中丛植、群植、对植,也可列植,或作隔声防噪林带的中层树种。对二氧化硫抗性较强,也可作厂矿区绿化树种。杜英树皮深褐色,平滑,小枝红褐色。叶薄革质,披针形或矩圆状披针形,顶端渐尖,基部渐狭,边缘有浅锯齿。总状花序腋生。花黄白色、下垂,核果椭圆形,暗紫色。花期6~8月,果期 Du Ying aka bile eight trees, Shan Du Ying, Du Ying Ke Du British evergreen trees. Suitable for garden plants in the cluster, group planting, planting, but also can be planted, or for the noise of the middle layer of tree species. Strong resistance to sulfur dioxide, but also for the plant mining green trees. Du Ying bark dark brown, smooth, twig red-brown. Leaves thinly leathery, lanceolate or oblong-lanceolate, apically acuminate, base attenuate, margin serrulate. Racemes axillary. Flowers yellow-white, drooping, drupe oval, dark purple. Flowering from June to August, fruit period