中国附生舌唇兰一新记录植物——窄唇舌唇兰

摘要

报道了2017年发现于云南孟连县勐马镇腊福大黑山贺莫村附近海拔2 145 m中山湿性常绿阔叶林的一种附生兰科植物——窄唇舌唇兰[Platanthera angustilabris Seidenf.]在中国的新分布记录,该物种过去记录仅分布在缅甸、泰国和越南.窄唇舌唇兰与长瓣舌唇兰相近,但前者的窄披针形叶片长度可以达到15 cm,后者的披针形叶片仅可达7 cm.凭证标本存放于中国科学院昆明植物研究所标本馆(KUN).%Here,we report a new record of Platanthera angustilabris Seidenf.,an epiphytic species of Orchidaceae collected from Lafu Dahei Mountain (near Hemo Village),Mengma Township,Menglian County,Yunnan,China in 2017.Platanthera angustilabris was found on a tree in a mid-montane moist evergreen broad-leaved forest at an elevation of 2 145 m.P.angustilabris has been recorded in Myanmar,Thailand and Vietnam.The species is very similar to P.sikkimensis,but P.angustilabris Seidenf.has longer narrowly-lanceolate leaves up to 15 cm long,whereas P.angustilabris has shorter lanceolate leaves (up to 7 cm long only).Voucher specimens are preserved in the Herbarium of the Kunming Institute of Botany (KUN),Chinese Academy of Sciences.