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水杉为杉科水杉属落叶乔木,原产于四川,现北京及以南地区多有栽培。水杉树姿挺拔,叶形秀丽,适于林植或列植,是园林绿化的好材料。水杉株高可达30m,幼树树冠呈尖塔形,老树则呈广圆头形。树皮灰褐色,大致近轮生,小枝对生。叶交互对生,呈羽状,条形,扁平。雌雄同株,单性。球果近球形,成熟后深褐色,下垂,种子扁平,呈倒卵形,有狭翅。水杉为阳性树,栽植于建筑物背阴处则生长不良。耐寒,在北京及以南地区可安全越冬。喜深厚肥沃的沙质壤土,在素沙土中也正常生长,不喜黏性土壤。
Metasequoia is Taxodium catechum is a deciduous tree, native to Sichuan, Beijing and southern regions are more than cultivated. Metasequoia posture tall and straight, beautiful leaf shape, suitable for planting or planting, is a good material for landscaping. Metasequoia plants up to 30m, sapling spire was spire, the old tree was broad-taupe. Bark grayish brown, approximately whorled, twig opposite. Leaves alternate, a plume, strip, flat. Monoecious, unisexual. Cones nearly spherical, dark brown after maturity, drooping, flat seeds, was obovate, with narrow wings. Metasequoia is a positive tree, planting in the shade of the building is poor growth. Cold-resistant, safe winter in Beijing and in the south. Hi deeply fertile sandy loam, also normal growth in the sand, do not like sticky soil.