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胡杨又叫水杨树,是高大乔木。胡杨对盐碱、水湿、风沙、寒冷均有较强的适应性,胡杨木纤维最长,为最好的造纸用材。它的枝叶有苦涩味,可免受牲畜危害,是适于盐碱地造林树种之一。胡杨在形态上与其它杨树明显的差异是、在同一株上有两种不同形状的叶子,幼时是披针形到线形,很似柳叶,成年为广卵形或菱状形叶、叶片厚而硬、有蜡质、角质层和栅状组织发达。胡杨耐强光,对大气干旱有高度的适应性,是生长在荒漠中湿地的唯一乔木树种。
Populus also called poplar, tall trees. Populus salina, water wet, sand, cold have strong adaptability, the longest Populus wood fiber, paper for the best timber. Its branches and leaves have a bitter and astringent taste, which can be endangered by livestock and is one of tree species suitable for afforestation in saline-alkali land. Populus obvious morphological differences with other poplar is that in the same strain there are two different shapes of leaves, when young is lanceolate to linear, resembling willow, adult broad oval or diamond-shaped leaves, Thick and hard leaves, waxy, cuticle and palisade tissue developed. Populus euphratica is resistant to glare and has a high degree of adaptability to atmospheric drought. It is the only tree species that grows in desert wetlands.