广椭牛齿兰，中国兰科一新记录种

Appendicula ovalis (Orchidaceae), a Newly Recorded Species in China

摘要:

报道了在海南热带雨林国家公园内发现的兰科牛齿兰属中国一新记录种：广椭牛齿兰[Appendicula ovalis（Schltr.） J.J.Sm.ex Mansf.]。该种原分布于马来半岛、苏门答腊岛、爪哇岛、婆罗洲、苏拉威西岛，在形态上与国内记录的4种牛齿兰属植物均有较大差别，如茎中部具分枝、叶广椭圆形、单个花序仅着生1朵花、且唇瓣扭转具粉紫色斑块等特征。对产自海南的该种形态和生境进行了详细描述，并提供高清解剖照片。凭证标本保存于海南大学林学院教学标本馆（HUFB）。

Abstract:

Appendicula ovalis (Schltr.) J.J.Sm. ex Mansf, found in Hainan Tropical Rainforest National Park, was reported as a newly recorded species of Orchidaceae in China. It is originally distributed in Peninsular Malaysia, Sumatra, Java, Borneo and Sulawesi. It is different from four species of Appendicula recorded in China by morphology of branches in middle of stem, broad ovate leaf blades, single inflorescence bears only one flower and twisted lips with pink-purple markings. The detailed morphological and habitat description, and high- definition anatomy photograph of the newly recorded species are provided. Voucher specimen was deposited in the herbarium of College of Forestry, Hainan University (HUFB).