光皮树Cornus wilsoniana wanger,又名狗骨木,山茱萸科,高达17米,圆锥形,下枝垂,树干通直光滑,小枝初被毛,后变光滑,圆筒形。单叶对生,全缘椭圆形至长椭圆形,长5至12厘米,宽2至6厘米,两面均被短毛,(纟散)房状的聚(纟散)花序生于小枝顶端;花两性,4月下旬至5月间开放,白色,细小;核果圆形,径约5至6毫米,10至11月果实成熟,熟时黑色;内有两颗种子,果核棕褐色。阳性落叶树。幼苗期需一定的庇荫。性喜肥润土壤,而稍耐干旱。根系发达, Cornus wilsoniana wanger, also known as dogwood, Cornus, up to 17 meters, conical, the next branch hanging, the trunk straight smooth, twigs initially coat, later smooth, cylindrical. Leaves simple, entire oval to oblong, 5 to 12 cm long, 2 to 6 cm wide, short hair on both sides, (scattered) Housing polygamy born in twigs at the top; Flowers bisexual, open in late April to May, white, small; drupe circular, ca. 5 to 6 mm, October to November ripe fruit, ripe black; there are two seeds, the kernel of brown. Positive deciduous tree. Seedling need some shade. Sex Hi fatty soil, and slightly resistant to drought. Roots developed,