Vaccinium bracteatum Thunb. (Latin scientific name: Vaccinium bracteatum Thunb.) Vaccinium is an evergreen shrub or small tree in the Ericaceae family, up to 9 meters high; it has many branches, and the old branches are purple Brown, hairless. The leaves are thin and leathery, the racemes are terminal and axillary, with many flowers, the bracts are leaf-shaped, lanceolate, the pedicel is short, the corolla is white, the filaments are slender, and the flower disc is densely pubescent. The berries are purple-black when ripe, and the flowering and fruiting period is from June to October. Distributed in Southeast Asia, south to the New Hebrides Islands in the South Pacific, north through Vietnam, Myanmar, Ryukyu Islands and Ogasawara Islands, and west to India (south). China is mainly distributed in East China and South China, with only a few distributed to the southwest. The branches and leaves can stop diarrhea and relieve sleepiness, strengthen muscles and replenish qi. Zi also has the effect of strengthening muscles and replenishing qi, consolidating essence and rejuvenating the appearance.

Chinese scientific name Nanzhu

Latin scientific name Vaccinium bracteatum Thunb.

Also known as dyed bean, black rice tree, rice tree, black rice leaf, Kangju purple , Rice Tube Tree, Black Rice Tree, Lingdingzi