Phyllanthus emblica Linn. is a woody plant of Phyllanthus of Euphorbiaceae. Also known as Yuganshu, Youganzi, Anmole, Olive, Yunnan Olive, Yuansuanjiao, Youkan, Wangguo, Niuganzi, Jiurula (Tibetan), Maxiangbang (Dai) and other names. Yu Ganzi was first published in the Southern Vegetation in the Jin Dynasty in 304, and its original translation name was Anmole, which was commonly used to clear away heat and detoxify. Up to 23 meters, DBH 50 cm; Bark light brown; Branches with longitudinal stripes, yellow-brown pubescent. Leaves papery to leathery, two rows, linear oblong, 8-20 mm long and 2-6 mm wide, with truncated or obtuse top, sharp tip or slight concave, shallow heart-shaped and slightly skewed at the base, green at the top and light green at the bottom, reddish or light brown after drying, and slightly curled at the edge; 4-7 lateral veins on each side; The petiole is 0.3-0.7 mm long; Stipules triangular, 0.8- 1.5 mm long, reddish brown, with eyelashes at the edge.

The tree has beautiful posture, which can be used as a garden landscape tree or cultivated as a fruit tree. The fruit is rich in vitamin C, which can promote the production of body fluid to quench thirst, moisten lung and eliminate phlegm, cure cough and sore throat, and relieve puffer fish poisoning. It tastes sour at first, but sweet for a long time, hence the name "Yuganzi". Roots and leaves are used for medicine, which can clear away heat and toxic materials, and treat dermatitis, eczema and rheumatalgia. The leaves are dried for pillow core. Seed oil content 16%, for making soap. Tannin can be extracted from bark, leaves and young fruits. The wood is reddish brown, hard, meticulous in structure, elastic, water-resistant and wet-resistant, and it is used for agricultural tools and furniture, and is also an excellent firewood.

It is produced in Jiangxi, Fujian, Taiwan Province, Guangdong, Hainan, Guangxi, Sichuan, Guizhou and Yunnan provinces, and is born in the sunny places of sparse forests, shrubs, wasteland or ravines in mountainous areas at an altitude of 200-2300m. I like warm and dry climate. It is distributed in India, Sri Lanka, Indo-China Peninsula, Indonesia, Malaysia and the Philippines, and is cultivated in South America.