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沙棘(Hippophae rhamnoides Linn.),又名酸刺、醋柳、黑刺、圪针、酸榴榴、达日布(西藏)、其察日嘎纳(蒙),属胡颓子科,沙刺属。一、形态及生物学特性沙棘为落叶灌木或小乔木,高可达10米,常见的多1～2米。呈簇生状,枝被银灰色粉皮,以后脱落,露出暗紫棕色。分枝极多,形成横椭圆形树冠,小枝螺旋状互生,具棘针。冬芽为金黄而带褐色。叶互生或对生,线型或线状披针形,先端尖,基部楔形,叶柄极短,长2～6厘米,宽约0.8厘米,叶表背均有银白色鳞斑。花小,为黄色,3～4月花开于出叶前,雌雄异株,极短总状花序。一般3～4年后开始结实,花
Seabuckthorn (Hippophae rhamnoides Linn.), Also known as sour thorn, vinegar willow, black thorn, sliver needle, sour plum, daji cloth (Tibet), its Chagana (Mongolia) Genus. First, the morphological and biological characteristics Seabuckthorn deciduous shrubs or small trees, up to 10 meters high, more common 1 to 2 meters. Showed tufted, branches are silver-gray vermicelli, later off, revealing dark purple brown. Branches very much, the formation of horizontal oval canopy, twig spiral twins, with thorn needles. Winter buds are golden and brown. Leaves alternate or opposite, linear or linear-lanceolate, apex pointed, base wedge-shaped, petiole very short, 2 to 6 cm long, 0.8 cm wide, leaf surface both silver-white scales. Small flowers, yellow, 3 to 4 months before opening in the leaves, dioecious, very short racemes. Generally 3 to 4 years after the beginning of strong, flowers