- Keteleeria fortunei
Taxobox
name = "Keteleeria fortunei"
status = LR/nt | status_system = IUCN2.3
regnum =Plant ae
divisio =Pinophyta
classis = Pinopsida
ordo =Pinales
familia =Pinaceae
genus = "Keteleeria "
species = "K. fortunei"
binomial = "Keteleeria fortunei"
binomial_authority = (A. Murray) Carrière"Keteleeria fortunei" (zh: 油杉, "you shan") is a
conifer ousevergreen tree native to northernVietnam ,Hong Kong , andChina in the provinces ofFujian ,Guangdong ,Guangxi ,Guizhou ,Hunan ,Jiangxi ,Yunnan , andZhejiang . The tree grows in hills, mountains, and broadleaf forests at elevations of 200-1400 m. The species is named after Scottish botanistRobert Fortune , who discovered the tree in1844 .It grows 25-30 m tall and 1 m in trunk diameter at breast height, forming a pyramidal crown with spreading, horizontal branches. The
bark is dark gray, rough, and furrowed in a vertical pattern. Branchlets are orange-red and pubescent when young, turning yellow-gray or yellow-brown in their second or third year. The leaves are 1.2-3 cm long by 2-4 mm broad, stiff, sharply pointed on young trees and rounded or rarely slightly notched on mature trees. They are shiny dark green above and pale green on the underside with 12-17stoma tal lines on each side of the midrib. The cones are cylindrical, 6-18 cm long, 3-5 cm wide before opening and up to 7.5 cm wide after opening. They stand erect on short pubescent stalks and mature in October to a purple-brown color. The cones open upon maturity to release the seeds, which are large and oblong, 1-1.3 cm long with a yellow-brown wedge-shaped wing 3 cm long.The tree is grown as an ornamental in warm climates, and the
wood is used in construction and furniture, although the species is protected under Chinese forestry regulations.Protection
In Hong Kong, this species is under protection based on
Forestry Regulations Cap. 96A .References
*
External links
* [http://www.conifers.org/pi/ke/fortunei.htm Gymnosperm Database]
* [http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200005276 Flora of China]
* [http://www.hkherbarium.net/Herbarium/html%20text/11Keteleeria%20fortunei%20.htm Hong Kong Herbarium]
* [http://www.pinetum.org/cones/PIcones.htm Arboretum de Villardebelle - photo of cone]
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