Latin name taiwania cryptomerioides hayata (taiwania flousiana gaussen) Chinese Taiwanese fir Common name Metasequoia flousiana
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Classification
Taxodiaceae taxodiaceae Taiwan fir is taiwania hayata
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Feature
Evergreen trees, about 40 meters, diameter of 2 meters, the bark pale brown, broke into irregular strip, into a cone-shaped crown, large flat or drooping branches, branchlets drooping, the leaves a tree-like diamond-shaped edge, closely arranged, 2-5 mm long, 1-1.5 mm wide on both sides, straight or slightly curved top, apex acute or obtuse, tree saplings and branches of budding leaves subulate, flat on both sides, for straight or slightly bending, tip acute. Cone with the strains of single-sex, male cone was born twig nest top 2-7, the ball took a single female born in Acremonium, no bud scales. Cones cylindrical or oblong, 1.5 - 2.5 cm in diameter and about 1 cm, brown when ripe, seed scales 12-39 pieces, the central species of wide-scale inverted triangle, about 7 mm, with 2 scales for each kind of development bit seed, seed oblong or obovate, winged on both sides of the edge, winged seeds with 4-7 mm wide, 3-4 mm.
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Habits
Taiwan fir distribution belonged to the subtropical monsoon climate, characterized by hot summer and cold winter, rainfall, clouds and more rain days and, less light, relative humidity. According to the Thunder Mountain climate data, the average annual temperature of 14.3 ℃, 7 月份 average temperature 23.5 ℃, 1 月份 average temperature 3.6 ℃, 10 ℃ greater than equal to the effective temperature 4110 ℃, ≥ 10 ℃ days 197 days, Freezing of about 20 days, annual rainfall volume of 1,400 mm, rainfall concentrated in the April-September, 10-3 less about 300 mm. The main distribution area of Taiwan fir Thunder Mountain geological structure of southern Taiwan convex ancient Lu Xuefeng, located in the eastern edge of the Yunnan-Guizhou Plateau, the Thunder Mountain rising block units, water erosion, deep-cut valleys criss-cross to form a high Zhongshan, Zhongshan-based, Local low-mountain landscape features appear, the bedrock for the group of pre-Sinian metamorphic rocks Banxi to low-grade metamorphic based. For the mountain yellow soil type, acidity, ph value 4.0-5.3, texture is loam, soil more profound. Taiwan fir, long life, rapid growth, the trunk developed, shallow-rooted, well-developed lateral roots and fibrous roots, mostly concentrated in the 80 cm soil layer, saplings little shade, in full light conditions, relatively fast growth, good seed germination, To expand its resources to lay a good foundation.
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Distribution
National level to protect plants. Tertiary tropical flora of ancient relict plant. Been widely distributed in Europe and eastern Asia, as Quaternary glacial influence, it is only in Yunnan, Hubei, Guizhou, Taiwan and some areas in northern Myanmar. Taiwan fir is a species endemic to China, the famous Tertiary relict plant, much in the Paleocene was widely distributed in Europe and eastern Asia, due to the impact of Quaternary Ice Age, is the main remaining in the Nu River in western China's Yunnan Gongshan, Lanping Lancang River Basin, southern Hubei, Icheon, hair Hom, Taiwan's Central Mountain, Alishan, Yushan and Victoria Peak, south-east of Thunder Mountain in Guizhou, northern Myanmar, also a small amount of residual. In southeast Guizhou, the main origin of Thunder Mountain. Guizhou Province, south-east of Taiwan fir main producing area of Thunder Mountain, Leishan fighting concentrated in the village, the village square Cheung, Jianhe Ngong English village, Pleiadian Village, Bridge Water Village, Rongjiang County Dan Village, Taiwan River County to pay packet, pay close, witch, the Jianhe South whistle, and white, Rongjiang County very well, music in this, the Danzhai horn mountains, plus a small piece with other scattered.
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Conservation value
For China's Taiwan, one of the main timber species, purple-brown heartwood, sapwood deep brown with red, straight texture, fine structure, uniform. For buildings, bridges, poles, journey, furniture, plates and paper raw materials wood. The main tree species of Taiwan. Taiwan fir is excellent valuable timber species, is also an excellent garden tree species, and the study of ancient geography, ancient climate, ancient flora have important scientific value.
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Endangerment
台湾杉 濒危等级
National level to protect plants.
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Name
Latin name Taiwania cryptomerioides Hayata (Taiwania flousiana Gaussen) Chinese Taiwanese fir Common name flousiana
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Classification
台湾杉 分类
Taxodiaceae Taxodiaceae Taiwan fir is Taiwania Hayata
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Flowers 百科
台湾杉 花木百科
Taiwan fir Introduction Taiwan fir (Taiwania cryptomerioides Hayata) Families and genera: Taiwan fir is Taxodiaceae Alias: Flousiana Characteristics: Evergreen trees, 50-60 (75) m, diameter 1-1.5 (2.4) meters. Flowering period of 10-11 months from April to May results Distribution and habits: Propagation and cultivation: No Application: Rare species; second-class protected plants
