China red bean fruit, also known as Vaccinium vitis-idaceae, is an evergreen shrub native to North America, which has diuretic and anti-inflammatory effects. The edible method is mainly to drink the leaves of this species for tea, or to be used as a medicine as a disinfectant for urethra. Red fruit can be eaten as jam and fresh food, with sweet and sour taste. Leaves can be made into tea, and the leaves contain ursolic acid and tannins.

The growth environment of Vaccinium uliginosum is common in larch forest, birch forest, alpine grassland or wet platform, with an altitude of 900-3200m, and often grows in pieces. Born in alpine moors, heather bushes, coniferous forests, subalpine pastures and tundra in the Arctic, it is usually born in slightly dry habitats, but it is also born in quite humid peat soil.

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Morphological characteristics of Vaccinium uliginosum

Vaccinium uliginosum is an evergreen dwarf shrub with slender creeping rhizomes in the underground part, and the height of plants in the aboveground part is 10-30 cm. The stems are slender, erect or prostrate, and the branches and young branches are gray-white pubescent.

The leaves are dense, leathery, oval or obovate, 0.7-2 cm long and 0.4-0.8 cm wide, with a round top, a convex tip or a slightly concave notch, a wide wedge-shaped base, a rolled edge and shallow wavy small blunt teeth.

The surface is hairless or slightly hairy along the midvein, with glandular punctate short hairs on the back, the midvein and lateral veins are slightly sunken on the surface, slightly protruding on the back, and the reticulate veins are not obvious on both sides; Petiole short, ca. 1 mm, puberulent.

Source of reference: Baidu Encyclopedia-Vaccinium