commodity brand: | hemlock |
commodity model: | customizable and processable |
material: | wood |
origin: | Canada |
grade: | 2 |
Latin name of hemlock: Pinaceae
Color of hemlock heartwood: yellow white to light yellowish brown and reddish, which is not significantly different from sapwood
Gas dry density of hemlock: 0
508-0
560
Hemlock, arbor, up to 50m high, DBH 1
6m; The crown is tower shaped, the big branches are flat, and the branch tips are drooping; Bark dark gray, longitudinally split, falling off in blocks; Winter buds ovoid or globose; 1-year-old branches fine; Light yellow, light brown yellow or light grayish yellow, with short hairs in the occipital recess
The leaves are strip-shaped, the flowering period is April, and the cones mature in October of the current year
From Bailong River Basin in Gansu, Qinling Mountains in Shaanxi to mountainous areas in western Henan, Western Hubei, Northeast Sichuan, central and Western China and Fanjing Mountain Area in Guizhou, the climate at an altitude of 1000-3000m is warm, cool and humid, with acid yellow soil and yellow brown soil
Hemlock has a large straight crown, towering and upright, dense and tidy branches and leaves, magnificent and considerable
It can be used to create scenic forests and plant trees alone
Hemlock of Pinaceae is an evergreen coniferous tree
An ancient hemlock tree stands in front of the ancient temple site of Yungu temple in Huangshan
The tree is 13 meters high, chest circumference is 2
1 meters, under the branch It is 2
5 meters high
According to research, this tree has a history of about 800 years
Its crown is like a giant umbrella, with luxuriant branches and leaves
It is a precious timber and ornamental tree species
Its distribution height is about 800 ~ 1400 meters above sea level
It is distributed in Qingliang peak in Shexian County, Baiji ridge in Xiuning, etc
A poem said: "hemlock has been laughing at the spring breeze for thousands of years, covering half an acre of space
It has deep roots and lush branches and leaves, and the world calls it Pinus heterophylla
" Southern hemlock and East China yellow fir are unique tertiary relic plants in China
Because they are rare and precious, they are listed as key protected tree species by the state
Hemlock mostly occurs in Maguan and Malipo in southeastern Yunnan, and is born in coniferous and broad-leaved mixed forest
Zhejiang Changhua, Anhui Huangshan, Fujian Wuyi Mountain, Jiangxi Wugong Mountain, Hunan Mangshan, Guangdong Ruyuan, Guangxi Xing'an and central Guizhou are all distributed
The lower limit of altitude for growth is 600 meters and the upper limit of altitude is 2100 meters
Its distribution area ranges from the middle subtropical zone to the North tropical zone, with warm and humid climate, warm in winter and cool in summer, abundant rainfall, heavy clouds and high humidity
The suitable soil is fertile acid dark red yellow soil
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