Peacock pine

Peacock pine

This entry is compiled and applied by "popular science China" Science Encyclopedia

to examine

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Peacock pine is as loose as green. The peacock stands erect with its head high. One branch of the pine bends and stretches toward the direction of white goose ridge, just like the peacock's head. Behind it, there are several peacock like wings and tail feathers. It is about to spread its wings, as if to fly south, so it is called "peacock pine".

morphological character

Pinus malachita is a arbor with a height of 40 m, a diameter at breast height of more than 2 m and a diameter at breast height of more than 2 M. its crown tower is cone-shaped, its bark is reddish brown, its fibrous cracks grow, and its strips peel off. Its big branches often grow in rings, develop horizontally or droop slightly, and its crown is tower shaped; its branchlets droop, and its current branches are green. The leaves are 1.0-1.5cm long, 2.4cm long for saplings and sprouting branches. The leaves are subulate, straight, apex usually not inflected, acute or sharp, 0.4-2cm long, with stomatal lines on all sides.

Male cones oblong or cylindrical, about 7 mm long, 2.5 mm in diameter, stamens with 4-5 anthers, connective triangular; female cones globose. Cones subglobose, sparsely oblate, 1.5-2.5 cm in diameter, There are 20-30 seed scales, the cleft teeth of bract scale tip and seed scale apex are short, the cleft teeth are long, narrow triangle, 6-7mm long, there is a triangular separated bract scale tip on the scale back, the apex is usually curved outwards, the breeding scale has 2-5 seeds, the seeds are brown, elliptic or irregular polygonal, 5-6mm long, 2-3mm in diameter, and the edge has narrow wings. The flowering period is April and the cones mature in October.

Growth environment

It is a medium-sized positive tree, slightly resistant to shade and cold. It can grow in Zhengzhou, Henan Province and Tai'an, Shandong Province. It can grow in the area where the annual average temperature is 14 ° to 19 ℃ and the average temperature in January is above 0 ℃. It likes high air humidity and is afraid of hot or drought in summer. It grows well when the precipitation reaches about 1000mm. They like to grow on deep and fertile sandy loam, but they are very poor in the clay land with strong sunshine in the West. The root is easy to rot in the place of ponding. The branches are flexible and resistant to snow and ice.

Distribution range

Pinus malachita is an important afforestation tree species originated in Japan.

Introduced and cultivated as garden ornamental trees in Qingdao, Mengshan, Shanghai, Nanjing, Jiangpu, Hangzhou, Zhejiang, Lushan, Jiangxi, Hengshan, Hunan, Wuchang, Wuhan, Hubei.

cultivation techniques

It can be propagated by sowing and cutting. The mother tree can bear fruit every year, but the harvest is usually once every two years. More than 5 kg seeds can be obtained per 100 kg cones; about 250000 seeds can be obtained per kg cones; the 1000 seed weight is 4 kg, the germination rate is about 60%, the seedling rate is about 20-30%, and the seed storage is one year. The seeds were sown in spring in Jiangsu and Zhejiang provinces, and germinated after 3-4 weeks. In summer, there is a shade shed and in winter, there is a warm shed. The height of the seedlings was about 15 cm in the first year and transplanted in the next spring. The height of 2-year-old and 3-year-old seedlings were about 30cm and 60cm respectively.

Main value

The heartwood is light red, and the sapwood is nearly white, so it is easy to construct. For building, bridge, shipbuilding, furniture and other materials.

There are varieties of Pinus malachita in Jiangsu, Zhejiang, Jiangxi and other provinces of China, all of which are used as garden trees.

Peacock pine is round and tall, and its trunk is strong and majestic. It is most suitable to be planted alone or in pairs, or in clusters or groups. In Jiangnan customs, it is often used as a tomb tree since ancient times, and it is also suitable to be planted as a scenic forest. The material is light and loose, non warping, easy to process, and can be used for construction, shipbuilding, furniture and fine work; the branches, leaves and wood fragments can be used to make aromatic oil; the bark can be used as medicine to cure scabies or make tannin extract; the leaf mill powder can be used as thread fragrance.

Address: Huangshan scenic spot, Tangkou Town, Huangshan District, Huangshan City, on the way from bai'eling to qi'01 TV station.

Longitude: 118.17429351807

Latitude: 30.137465588991

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