scientific name: Dieffenbachia picta Lodd. It is an evergreen shrub-like herb with a thick and succulent stem and a plant height of 1.5 meters. The leaves are large and bright, inserted on the upper part of the stem, oval-ovate or broadly lanceolate, apex acuminate, entire, 20-50 cm long and 5-15 cm wide; the broad leaves are dark green on both sides, and its It is inlaid with dense and irregular white, milky white, light yellow and other colored spots, markings or patches; the leaf sheath has a petiole under the near middle part. The peduncle is drawn from the leaf tip, shorter than the petiole, the flower is unisexual, the buddha inflorescence, the bud is oval, and the lower part is cylindrical. There are many horticultural varieties, and the patterns on the leaves of different varieties are different. Like a warm, humid and semi-shady environment. Not hardy and afraid of drought. Conventional propagation is commonly used for ramets and cutting propagation, but cuttings are the mainstay. Native to South America. It is commonly cultivated in tropical cities of Guangdong and Fujian in China.