论文部分内容阅读
长梗扁桃又叫野樱桃,是蔷薇科,梅属多年生落叶灌木。自然分布在毛乌素沙地,多生长在半固定和固定沙丘上,常形成茂密的灌丛。长梗扁桃株高2米,小枝灰褐色,有光泽;叶片倒卵形,椭圆或长圆形,长2.5—4cm,宽0.6—1cm,边缘有不整齐锯齿,先湍急尖式渐尖,茎部宽、楔形,叶背面被短柔毛;花粉红色,果卵球形或长圆形,果径1cm 左右,被短毛,成熟时呈褐黄色。核卵球形,
Long-stemmed almond also known as wild cherry, Rosaceae, plum perennial deciduous shrubs. Natural distribution in the Mu Us sand, and more growth in the semi-fixed and fixed dunes, often forming dense shrubs. Long stems almond plant height 2 meters, twig taupe, shiny; leaves obovate, oval or oblong, length 2.5-4cm, width 0.6-1cm, the edge irregular serrated, sharp first pointed tip, stem width , Cuneate, abaxially pubescent; flowers pink, ovoid or oblong, fruit diameter about 1cm, short hairs, brownish yellow when mature. Nuclear ovoid,