沙冬青(Ammopiptanthus mongolicus)又名蒙古黄花木,是豆科黄花木属的一种植物,是内蒙西部和甘肃等地沙漠中唯一的阔叶常绿灌木。高1.5—2米,枝杈很多,灰色的树皮,小枝上生长着白色的短毛,小叶灰色长椭圆形,金黄色大花,好似美丽的彩蝶,荚果好似6—9厘米长的豆角。沙漠里的盛夏特别酷热,在沙地表面温度高达60—70℃情况下,它生长繁茂,郁郁葱葱,在千里冰封、万里雪飘的严冬,它挺拔叠翠,是北国沙海中稀有的常绿植物。冬青可作优良的防风固沙树种,根系很深,一年生幼苗的主根可达60厘米,16年生时主 Ammopiptanthus mongolicus, also known as Mongolian yellow flower, is a plant belonging to the genus Leguminosae and is the only broad-leafed evergreen shrub in the deserts of western Inner Mongolia and Gansu. High 1.5-2 meters, many twigs, gray bark, twigs grow white short hairs, leaflets gray oval, golden yellow flowers, like a beautiful nabi, pods look like 6-9 cm long beans. The hot summer in the desert is extremely hot. Under the condition that the surface temperature of the sand is as high as 60-70 ℃, it grows luxuriantly, lush, in a thousand miles of frozen, snow drifts winter, it is quite tall and emerald green, is a rare evergreen in the North China Sea . Holly can be used as an excellent windbreak Sand species, deep roots, the main root annual seedlings up to 60 cm, 16-year-old Lord