What are the green trees that can be cultivated in the north?

Alias: Gongsun Shu, Baiguoshu

Scientific name: Ginkgo biloba.

Character: Ginkgo biloba of Ginkgoaceae. Deciduous tree with gray bark. The leaves are fan-shaped dioecious Seeds drupe-shaped.

Distribution: 1 family only, 1 genus, 1 species is endemic to China. Beijing parks, courtyards, roadsides and ancient temples are all cultivated. I like warm and humid climate.

Uses: Ornamental and timber tree species, national second-class protected plants. Seeds are edible and can be used as medicine, and ginkgol can be extracted from leaves.

2. White pole

Alias: spruce, spruce.

Scientific name: spruce

Character: Picea of Pinaceae. An evergreen tree with leaf pillows on its branchlets. The needle is linear and covered with white powder. Monoecious. The tip of a solitary branch of a cone flower. Seeds drupe-shaped.

Distribution: It is distributed in the mountainous area above1500m in Miyun County, Beijing. Cultivation can be seen in all parks.

Uses: Ornamental and timber tree species.

3. Larix principis-rupprechtii

Scientific name: Larix principis-rupprechtii

Character: Larix of Pinaceae. Deciduous tree with grayish-brown bark and striped leaves. Monoecious. The cones are oval.

Distribution: Endemic to China, distributed above1400m. Farming in the mountainous area of Beijing is above 800 meters above sea level. Cold tolerance.

Uses: timber tree species. This building material is strong and heavy. The trunk can be cut with turpentine and the bark can be extracted with tannin.

4. Cedar

Scientific name: Cedar (Roxb. )G . Don(G . Don。

Character: Cedar of Pinaceae. Evergreen tree with pyramid crown and spreading branches. Leaves are needle-shaped. Monoecious. The cones are oval.

Distribution: It is native to Himalayas and other places, and has been introduced and cultivated in China. Major parks and courtyards in Beijing can be seen everywhere.

Uses: world-famous ornamental tree species and timber tree species. Sensitive to HF and SO2.

5. Pinus bungeana

Scientific name: Pinus bungeana.

Character: Pinus of Pinaceae. An evergreen tree with mottled and gray bark. Needles, a bunch of three needles. Monoecious. The cones are oval.

Distribution: Endemic to China, distributed in mountainous areas at an altitude of 500 ~1500m. Cultivated all over Beijing, it is barren-resistant and SO2-resistant.

Uses: Excellent greening tree species and garden ornamental tree species. Cones can be used as medicine and seeds can be eaten.