采用实地调查与查阅文献相结合的方法,对昌宁天堂山杜鹃属植物资源进行了统计和分析.结果表明:昌宁天堂山共有杜鹃属植物 23 种(不包括种下等级),隶属于常绿杜鹃亚属、杜鹃亚属、糙叶杜鹃亚属、马银花亚属和映山红亚属.按照生活型,可分为灌木型、乔木型和灌木与乔木兼有型.从分布来看,海拔 1240~2875 m 内均有杜鹃属植物分布,其中以海拔 2000m以上的高寒带种数最多.杜鹃属植物资源具有的生态、观赏、药用价值和应用潜力,其稳定存在对整个天堂山有着重要的地位和作用,应采取合理的措施保护利用杜鹃属植物资源.
Investigation and Conservation Analysis of Rhododendron L.Resources in Tiantang Mountain in Changning
In this studyChangning the resources of Rhododendron L.of Tiantang mountain in thangaing,were ana-lyzed statistically by investigation and literature review.The results show:there are 23 species of Rhododendron(not including subspecie)in the Tiantang Mountain of Changning,which belong to the subgenera of Subgen.Hy-menanthes、Subgen.Rhododendron、Subgen.Pseudorhodorastrum、Subgen.Azaleastrum and Subgen.Tsutsusi.These can be divided into shrub species,tree species,and shrub-tree species according to the life type.This rhodo-dendrons can be found anywhere from 1240 to 2875 m,it can be found more above 2000 m than other altitude.Rhododendron L.plant resources have ecological,ornamental,medicinal value and potential application,its stable existence plays an important role in the whole Tiantang Mountain,thus,it must be taken reasonable measures to protect and utilize Rhododendron L.resources.
Rhododendron L.Resource InvestigationConservation ApplicationTiantang Mountain in Changning