深圳田头山市级自然保护区的植物资源调查

Investigation of Plant Resources in Shenzhen Tiantoushan Municipal Nature Reserve

对深圳田头山市级自然保护区进行了详细的调查,结果表明:该保护区共有野生维管植物191科699属1289种,其中蕨类植物36科68属118种,种子植物155科631属1171种,包括裸子植物4科4属5种;被子植物151科627属1166种。该地的植物区系组成:科属的地理成分以热带成分为主,热带成分的属占非世界分布属的81.2%,温带属占非世界属的18.8%。有珍稀濒危国家重点保护野生植物44种(含兰科15种)。

According to the filed survey, there were1289 species of wild vascular plants belonging to 191 families and 699 genera in Shenzhen Tiantoushan MunicipalNature Reserve. Among them, there were36 families, 68 genera and 118 speciesbfferns, 155 families, 631 genera and 1171 speciesof seed plantsineluding 4 families, 4 genera and 5 spe- cies of gymnosperm, and 151 families, 627 genera and 1166 species of angiosperm.The floristic compositionwas as follows..thevegetation and flora were characterized as tropical elements, whichoceupied 81.2% of total non--Cosmo- politan Genera. The temperate elements occupied 18.8% of total non--Cosmopolitan genera. There were 44 stated rare, endangered and national key protected species （ included 15 Orchidaceous species） .