广西珍稀濒危保护植物分布特征

Distributional characteristics of rare and endangered plants in Guangxi

分布于广西的国家级珍稀濒危保护植物有159种,隶属于63科109属,分布在全区各地。其中,分布在北热带75种,南亚热带110种,中亚热带90种。在石灰岩土上有分布的50种,酸性土上有分布的130种。区系成分复杂,热带性质明显,特有成分突出,热带属占61.7%,中国特有属19个,占18.6%,广西特有种22种。

There are 159 China rare and endangered species in Guangxi, belonging to 109 genus and 63 families all over Guangxi region. Among these, 75 specics are in north tropics, 110 species in south subtropics, 90 species in central subtropics. 50 species are distributed on limestone, 130 species are distributed on acidic soil. Floral component is complex with tropical nature of community. Tropical genus accounts for 61.7%. 19 genus are indigenous in China, accounting for 18.6% of all. 22 species are indigenous plants in Guangxi.