最近被重新界定的广义石山苣苔属(Petrocodon Hance)是苦苣苔科(Gesneriaceae)一个中等大小的属,我国目前已知的有34种1变种,主要分布于我国华南至西南石灰岩地区。该文报道了于云南东南部马关县发现的该属一新种——细管石山苣苔(Petro...最近被重新界定的广义石山苣苔属(Petrocodon Hance)是苦苣苔科(Gesneriaceae)一个中等大小的属,我国目前已知的有34种1变种,主要分布于我国华南至西南石灰岩地区。该文报道了于云南东南部马关县发现的该属一新种——细管石山苣苔(Petrocodon tenuitubus W. H. Chen,F. Wen&Y. M. Shui)。该新种在形态上与陆氏细筒苣苔(P. lui)、细筒苣苔(P. hispidus)和长檐苣苔(P. jasminiflorus)相似,但其线形或披针形的苞片和小苞片均为3枚,花冠筒细小且弯曲,盘形柱头1,很容易区别于陆氏细筒苣苔和细筒苣苔;而其叶片卵形至圆形,花冠裂片卵形而尖端钝以及退化雄蕊3,则显著区别于长檐苣苔。该新种的发现对推进我国石灰岩地区苦苣苔科植物资源的发掘具有一定意义。主模式标本存放于中国科学院昆明植物研究所标本馆(KUN),等模式标本存放于广西植物研究所标本馆(IBK)。展开更多
基金Supported by Guangxi Natural Science Foundation(2015GXNSFAA139090,2013GXNSFBA019078)Key Laboratory for Plant Diversity and Biogeography of East Asia,Kunming Institute of Botany,Chinese Academy of Sciences(KLBB201307)Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain(16-380-32)
基金Supported by the National Natural Science Foundation of China(31470306,31000258,31860047)Biodiversity Background Survey and Assessment Program of Ministry of Ecology and Environment of the People's Republic of China+2 种基金Guangxi Natural Science Foundation Program(2017GXNSFAA198006)Fund of Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain(17-259-23)Science Research Foundation of Guangxi Academy of Sciences(2017YJJ23022)~~
文摘最近被重新界定的广义石山苣苔属(Petrocodon Hance)是苦苣苔科(Gesneriaceae)一个中等大小的属,我国目前已知的有34种1变种,主要分布于我国华南至西南石灰岩地区。该文报道了于云南东南部马关县发现的该属一新种——细管石山苣苔(Petrocodon tenuitubus W. H. Chen,F. Wen&Y. M. Shui)。该新种在形态上与陆氏细筒苣苔(P. lui)、细筒苣苔(P. hispidus)和长檐苣苔(P. jasminiflorus)相似,但其线形或披针形的苞片和小苞片均为3枚,花冠筒细小且弯曲,盘形柱头1,很容易区别于陆氏细筒苣苔和细筒苣苔;而其叶片卵形至圆形,花冠裂片卵形而尖端钝以及退化雄蕊3,则显著区别于长檐苣苔。该新种的发现对推进我国石灰岩地区苦苣苔科植物资源的发掘具有一定意义。主模式标本存放于中国科学院昆明植物研究所标本馆(KUN),等模式标本存放于广西植物研究所标本馆(IBK)。
基金The National Natural Science Foundation of China(31200246,31200176,and 30900089)the Technologic Support System Running Special for Strategic Biological Resources of Chinese Academy of Science(CZBZX-1)+1 种基金the Science and Technology Tackles Key Problem Project of Guilin(20070311)Basic Research Funding of the Guangxi Academy of Sciences(12YJ25ZW013)