What tree is the black glutinous rice leaf cooked by southerners in summer?

The plant for making black rice can be Toarey Yang, an evergreen shrub of Ericaceae, with grassy oval leaves, bright red new leaves and dark green old leaves; Racemes axillary, corolla white; Berries are spherical and purple-black when they are ripe. Note that this is not bamboo, tallow (this is a tree), maple, etc. Sun Simiao said, "Southern Candle Decoction is beneficial to the hair, that is, it is beneficial to the face, warming it and treating various wind diseases. Take it for a long time, lose weight and improve eyesight, and keep your face black. " The tender leaves of maple can replace tea. The root bark and leaves of Sapium sebiferum have the functions of detumescence, detoxification, diuresis and antidiarrheal.