Oxalis purpurea, which is native to tropical America and southern Africa, is a new horticultural variety introduced from China in recent years. Plant height 15-30cm. Fleshy roots, no stems on the ground, and yellow-brown bulbs underground. The leaves attached to the bulb are palmately trifoliate with long petioles and triangular leaflets. Flowers pink or white, umbel, 2- 14 flowers clustered at the top of pedicel, flowering in May-165438+ 10. With purple leaves, peculiar leaf shapes, elegant colors and many flowers, it is an excellent colorful ornamental ground cover plant. Oxalis purpurea has strong reproductive ability, fast growth rate, broad application prospect and good ecological, social and economic benefits.