Floral Leaf Vanda (scientific name: Dieffenbachia picta Lodd.), also known as Diana Leaf, the family of Amanita muscaria genus of plants. There are about 30 native species of this genus, mainly distributed in tropical America. 1860s was introduced to Britain, and soon spread throughout Europe, America and Oceania. Widely cultivated around the world, its cultivars are many, has entered thousands of households.