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乔木,高达20余米。树干通直,中央主干明显,直达树顶,树冠窄圆锥形,侧枝细,分枝角小,枝层明显。树皮灰褐色,浅纵裂。一年生枝绿色,具棱,多年生枝灰白色。冬芽圆锥形,瘦小,具黄褐色粘质。短枝叶菱状卵圆形,长5—7厘米,宽2.5—3.5厘米,先端渐尖,基部楔形,边缘具细锯齿,脉在叶背微隆起,微被疏毛,萌发枝叶较大,三角状卵形至菱状卵圆形,叶柄细,近叶端侧扁,长2—3厘米,微被疏毛,常为绿色或受光面稍带浅红色。雌花序长1.5—2厘米,花序轴被
Trees, up to 20 meters. Straight trunk, the central trunk obvious, direct tree top, crown narrow conical, fine side branches, branches angle is small, obvious branches. Bark grayish brown, shallow longitudinal split. Annual branches green, with edges, perennial branches gray white. Winter bud conical, thin, with yellowish brown sticky. Short branches and leaves rhombic-ovate, 5-7 cm long, 2.5-3.5 cm wide, apex acuminate, base wedge-shaped, margin serrulate, vein veins slightly raised, slightly sparse hair, germination foliage larger triangle Ovoid to rhomboid-ovate, petiole fine, proximal lobe flat side, 2-3 cm long, slightly sparse hair, often green or slightly light-colored light-receiving surface. Female inflorescence 1.5-2 cm, inflorescence axis was