西藏兰科一新纪录种——落叶石豆兰

摘要

Bulbophyllum hirtum ( Sm.) Lindl. ex Wall., a newly recorded species of Orchidaceae from Tibet was reported. Brief morphological descriptions and photos of this species were provided. This spe-cies was found in Medog County, Tibet Autonomous Region, elevation between 750－1087 m. The speci-mens ( JIN XiaoHua, LI JianWu, WANG XiLong & WANG ChengWang 19064) were deposited in the Herbarium of Institute of Botany, Chinese Academy of Sciences ( PE) ; Herbarium of Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences ( HITBC) and Herbarium of Tibet Plateau In-stitute of Biology ( No. WXL19064). This species differed others recorded in Flora of China on the flow-ering period which was in November, four months later, and the leaves did not fall off during flowering.%报道西藏兰科一新记录种——落叶石豆兰,对其形态进行描述并提供照片.该种发现于西藏自治区墨脱县,海拔750~1 087 m区域,附生于树上或林中多苔藓的岩石上.凭证标本(金效华、李剑武、王喜龙、王程旺19064)分别保存于中国科学院植物研究所标本馆( PE) 、中国科学院西双版纳热带植物园标本馆(HITBC)和西藏自治区高原生物研究所标本室(XZ,No. WXL19064).该种与中国植物志记录的最大区别在于本种花期为11月,比中国植物志记载的晚4个月,且在开花期间叶片并没有完全脱落.