The difference between green olive and stone olive is as follows:

1, growing environment is different

Green olive: wild in the valleys and slopes of the valleys and mixed forests at an altitude of less than 1,300 meters, or cultivated in the gardens, villages.

Stone olive: stone olive attached to the trunk of trees, rock walls or rocks with humus under the mountain forests in the forests, streams and valleys, or the edge of the woodland at an altitude of 890-2100 meters, the altitude of which is usually less than 1,500 meters, and a few of them can reach up to 2,500 meters.

2, different places of origin

Green olive: produced in Fujian, Taiwan, Guangdong, Guangxi, Yunnan, distributed in northern to central Vietnam. Cultivated in Japan (Nagasaki, Okinawa) and the Malay Peninsula.

Stone olive: stone olive is mainly distributed in the southeast and south of China, concentrated in Yunnan, Tibet, Zhejiang, Fujian, Guangdong, Guangxi, Hainan and Guizhou and other eight provinces.

Morphological characteristics of green olive

Fruiting calyx is flattened, 0.5 cm in diameter, calyx teeth recurved. Fruit ovoid to fusiform, suborbicular in cross-section, 2.5-3.5 cm long, glabrous, yellowish-green at maturity; exocarp thick, wrinkled when dry; kernel acuminate, rounded to hexagonal in cross-section, shallowly furrowed between obtuse ribbed corners and the cap of the kernel, the cap of the kernel with a slightly raised midrib, the outside shallowly undulate; cap of the kernel 1.5-2(-3) mm thick. Seeds 1-2, sterile cells slightly reduced. Fl. April-May, fruit ripening Oct-Dec.

The Yuan dynasty Hong Xiwen has a "taste new olive" poem, for those who do not know much about the olive, is worth reading: "olive such as the good Shi, outside the round inside the real just, for the taste of the bitter and astringent, its gas clear to the fragrant. Eating wine to relieve the poison of wine, tea to help tea flavor. The salt that is the flavor, eliminate food is particularly strange formula. ...... Although the clouds white frost, the odor is more old and pale."