China

The Indochina Threatened Conifer Region focuses on mainland Southeast Asia and includes Myanmar, Thailand (as far south as the Isthmus of Kra), Lao PDR, Cambodia and Việt Nam. Central physical features of this area include the Annamite Mountains that form the border between Lao PDR and Việt Nam, the Hoang Lien Mountains in northwestern Việt Nam and the extensive karst limestone areas of northern Việt Nam and the adjoining areas of China. Climates are variable depending on altitude and distance from the coast with some areas experiencing subtropical climates with distinct wet and dry seasons while others are more seasonal. Vegetation types range from subtropical evergreen forests to subalpine bogs and meadows. The conifer flora is very diverse with at least 15 genera and 35 species present. Almost one third are endemic and at least 20 are globally threatened. Notable endemic species include Pinus krempfii and Xanthocyparis vietnamensis. Several taxa are represented by small disjunct subpopulations with the main populations found in other Regions, sometimes at considerable distances. Principal threats in this region include conversion of forests for agriculture, forestry and urbanisation, overexploitation for timber, illegal logging and wildfires.

Taxa in the category - China:

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Amentotaxus argotaenia var. brevifolia K.M.Lan & F.H.Zhang

This variety has a restricted range in southern China with a small population that is thought to be threatened by deforestation Read full species entry >

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Amentotaxus yunnanensis H.L.Li

Distributed in China, Loa PDR and Việt Nam where it is threatened by general deforestation and selective logging. Read full species entry >

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Calocedrus macrolepis Kurz

A widespread species that has been exploited for timber and resin. Difficulties in estimating the extent of its decline and a lack of information about its staus is some parts of its range have resulted in an assessment of Near Threatened. Read full species entry >

Foliage
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Calocedrus rupestris Aver.,T.H.Nguyên & P.K.Lôc

Calocedrus rupestris was first described in 2008 from Việt Nam: prior to this Calocedrus trees occurring on limestone karst  were wrongly identified as Calocedrus macrolepis.  In 2011 C. rupestris was discovered in Guangxi. Threats include selective logging for timber, deforestation and forest degradation. Read full species entry >

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Cathaya argyrophylla Chun & Kuang

Native to China with a small population which is estimated to be no more than 1000 mature individuals. Read full species entry >

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Cephalotaxus fortunei var. alpina H.L.Li

A poorly known variety from the mountains in SW China. Deforestation is likely to have had an impact within its restricted range and therefore it has been assessed as Near Threatened. Read full species entry >

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Cephalotaxus hainanensis H.L.Li

Restricted to the island of Hainan, China where the main threat has been exploitation of the bark and leaves for the valuable medicinal extracts. Habitat conversion and deforestation are now the most current threats Read full species entry >

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Cephalotaxus lanceolata K.M.Feng

Endemic to NW Yunnan in China where forests have been exploited for timber and the habitat is being reduced due to forest clearance for expanding agricultural areas. Read full species entry >

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