王二包自然保护区种子植物区系特征

A Floristic Study of Seed Plants on Wang Er'bao Nature Reserve

王二包自然保护区是重庆市市级自然保护区,其种子植物区系具有以下特征:保护区区系成分复杂,类型丰富;优势科、属明显;起原古老;地理成分复杂;具有明显的温带性质。

The Wang er＇bao Nature Reserve is cne of the municipal grade nature reserves in Chongqing. By the analysis of the flora of the seed plants in this area, some cha, acteristics are found： first, the floristic components are complex and the types are abundant; second, the dominant families, genera and species are prominent; third, the origin of its flora is very ancient; fourth, its geographical components are complex; and fifth, Its flora shows an obvious character of the temperate zone.