心叶椴(Tilia corda mill)为椴树科,椴树属.产于欧洲.在我国只有新疆伊犁、塔城有散生大树,近年乌鲁木齐亦有引种.心叶椴为乔木,高28米,胸径1.5—2米,树龄可达500—600年,树冠球形,上部枝条细而上展,下部枝条略下垂.老树皮色暗有纵沟,阴面淡黄绿色,阳面褐色,嫩枝红褐色,具小皮孔.芽斜卵园形,长4—8厘米,黄褐色;果枝叶园形,或椭园形,对称 Tilia corda mill (Tilia corda mill) is a Tiliaceae, Tilia genus .It is produced in Europe .In our country, only Ili in Xinjiang, Tacheng have scattered trees, in recent years, Urumqi also introduced .Tree leaf linden trees, 28 meters high , Diameter at breast height 1.5-2 meters, age up to 500-600 years, canopy spherical shape, the upper branches of thin and on the show, the lower branches slightly drooping. Old bark color dark vertical groove, pale yellowish green, brown sun, Brown, with small lenticels. Buds oblique orbicular, 4-8 cm long, yellowish brown; fruiting branches terete or elliptic, symmetrical