中国大陆天麻属一新分布种——细天麻  

Gastrodia gracilis,a Newly Recorded Species of Gastrodia from Mainland,China

作　　者：陈建设[1] 侯昭强 文光玉[1] 王萌[1] 叶德平[1] 杜凡[1] 

机构地区：[1]西南林业大学林学院,昆明650224

出　　处：《西北植物学报》2015年第7期1482-1484,共3页Acta Botanica Boreali-Occidentalia Sinica

基　　金：西南林业大学植物学重点学科建设项目

摘　　要：报道了中国大陆兰科(Orchidaceae)天麻属(Gastrodia)1新记录种——细天麻(Gastrodia gracilis Bl.)。标本采自云南省开远市碑格乡,生于海拔约2 500m的常绿阔叶林下,群落郁闭度较大,林下湿润。标本主要形态学特征为总状花序长约6cm,花排列稀疏,管状,下垂,浅棕色,花被筒顶端5裂,苞片宿存,地下茎小。该种此前记录产于中国台湾及日本。该发现在中国大陆尚属首次,加强了中国云南植物区系与中国台湾以及日本植物区系的联系。The species Gastrodia gracilis is reported as a new record from Chinese mainland,which is discovered in Beige country,Kaiyuan,Yunnan.The plants live in evergreen broad-leaved forest （altitude is about 2 500 m） whose crown density is larger,environment is wet.Its raceme is about 6 cm long,flowers laxly arranged,tubular,drooping,light brown.Apex of perianth tube 5-lobed,floral bracts persistent;Rhizome is small.It is native to Taiwan,China and Japan.This report strengthens the relationship between the flora of Yunnan and Taiwan,China,Japan flora.

关 键 词：细天麻 天麻属 新分布 大陆 

分 类 号：Q949.718.43[生物学—植物学]