甘肃省兰科植物虾脊兰属的1种新分布记录种

A newly recorded species of Calanthe(Orchidaceae)from Gansu Province

【目的】报道在甘肃连城国家级自然保护区发现的兰科(Orchidaceae)虾脊兰属(Calanthe)的1种新分布记录种—戟形虾脊兰(Calanthe nipponica Makino)。【方法】对戟形虾脊兰的生物学性状、生境及野生资源现状进行了简述。【结果】甘肃省虾脊兰属植物分布记录有12种,且主要分布在甘肃南部地区,在甘肃中部分布记录有3种。【结论】戟形虾脊兰在甘肃的发现为该植物的扩散路线提供了新的分布信息。

【Objective】The study reported a newly recorded species called Calanthe nipponica Makino in genus Calanthe(Orchidaceae),which was found in Gansu Liancheng National Nature Reserve in Gansu Province.【Method】The biological traits,habitat and wild population situation of the species were described.【Result】There were 12 species of Calanthe recorded in Gansu province.These species were mainly distributed in south of Gansu,and only three species of Calanthe were distributed in the central part of Gansu province.【Conclusion】The new record of C.nipponica offers new distribution information for the studies on the dispersal of the plant.