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沙枣既耐寒、耐旱,又较耐盐碱,主要分布在荒漠半荒漠地区,是西北干旱区各地实施四旁绿化、退耕还林、三北防护林、防沙治沙等林业工程的造林先锋树种。一、植物学特性沙枣为落叶乔木或灌木,高5～10米,无刺或具刺,刺长30～40毫米,棕红色,发亮;幼枝密被银白色鳞片,老枝鳞片脱落,红棕色,发亮。叶薄纸质,矩圆状披针形至线状披针形,长3～7厘米,宽10～13毫米,顶端钝尖或钝形,基部楔形,全缘,上面幼时具银
Saussurea is cold-tolerant, drought-tolerant and saline-alkali tolerant. It is mainly distributed in desert semi-desert areas and is a pioneering tree species for forestry projects such as afforestation on all four sides, returning farmland to forest, the Three North Shelterbelt, sand control and desertification control, etc. . First, the botanical characteristics Ebony deciduous trees or shrubs, 5 to 10 meters high, no thorns or thorns, sting 30 to 40 mm, brown red, shiny; young branches densely white silver scales, old scales off , Reddish brown, shiny. Leaves thinly papery, oblong-lanceolate to linear-lanceolate, 3 to 7 cm long, 10 to 13 mm wide, apex obtuse or obtuse, base cuneate, entire,