Purple bamboo plum (Tradescantia pallida (Rose) D. R. Hunt), perennial herbaceous plant of the genus Spiderwort in the Commelinaceae family, with multi-branched stems, fleshy, purple-red, often fibrous roots on the nodes, and the upper part is nearly erect; the leaves are alternate and lanceolate , the apex is acuminate, the base is clasped to form a sheath, the sheath mouth has long white eyelashes, the upper part is dark green, the edge is green purple, and the lower part is purple red; the flower color is pinkish white; the capsule is round; the seed is triangular semicircular, pale Brown; flowering period from June to October.
Purple bamboo plum originates in Mexico, and all there is introduction and cultivation in various parts of China now. Purple bamboo plum likes sufficient sunshine, avoids exposure to the sun, and is also resistant to semi-shade. It is robust and cold-resistant. It can survive the winter in the open field in East China. It has no strict requirements on the soil and has strong adaptability to drought, but it is suitable for fertile and moist loam. . The propagation method of purple bamboo plum is cutting propagation.