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优良水保阴性树种——笃斯(Vaccinium uliginosum L),是杜鹃花科越桔属多年生落叶小灌木。自然分布于我国的大小兴安岭及长白山一带。 一、形态特征 株高因生境不同而异,一般可达50～160cm;叶无柄,椭圆形,长1～2.5cm,顶端钝全缘,脉网状;花1～3朵生于去年生枝条顶部的叶腋。花冠宽坛状,长约4cm,粉色或粉白色。浆果蓝色,椭圆形,果径6～15mm,成熟期6月下旬。果味酸甜可口,可用于加工果酒。九三地区嫩江农场已建成了年加工能力为1150t的大型笃斯酒厂。
Vaccinium uliginosum L, a tree species with excellent soil conservation, is a perennial deciduous shrub of Azalea family. Natural distribution in the size of China’s Xingan Mountains and Changbaishan area. First, the morphological characteristics of plant height due to different habitats, the general up to 50 ~ 160cm; leaves sessile, oval, length 1 ~ 2.5cm, the top blunt edge, vein network; flowers 1 to 3 were born in last year Leaf axils at the top of branches. Corolla wide altar shaped, about 4cm, pink or pink. Berries blue, oval, fruit diameter 6 ~ 15mm, mature in late June. Fruity sweet and sour, can be used for processing fruit wine. Ninety-three Nenjiang area farms have been completed with a processing capacity of 1150t large Tusi wineries.