Hu Guo-Xiong, Su Ting, An Ming-Tai, Wang Xiao-Yu
College of Life Sciences, Guizhou University, Guiyang 550025, Guizhou, China Guizhou University Guiyang China.
The Key Laboratory of Plant Resources Conservation and Germplasm Innovation in Mountainous Region Ministry of Education, Guizhou University, Guiyang 550025, China Guizhou University Guiyang China.
PhytoKeys. 2021 Jan 12;171:61-73. doi: 10.3897/phytokeys.171.60389. eCollection 2021.
(Lamiaceae) was described in 1913 based on a single gathering from northwestern Yunnan of China collected in 1905, and thereafter no further collections were observed until 2019. We rediscovered the rare endemic species in Lushui County, Yunnan. Molecular phylogenetic analyses based on four cpDNA markers (, , , and ) and the nuclear ribosomal internal transcribed spacer (ITS) region confirmed its infrageneric placement within subg. Pogostemon. Based on observations of the rediscovered population of , we updated its morphological description, provided an illustration, and discussed its distribution. Under IUCN criteria, the species was categorized as "Critically Endangered (CR)".
唇形科植物于1913年基于1905年在中国云南西北部采集的一份标本被描述,此后直到2019年都未再有新的采集记录。我们在云南泸水县重新发现了这种珍稀的特有物种。基于四个叶绿体DNA标记(、、、和)以及核糖体内部转录间隔区(ITS)区域进行的分子系统发育分析,证实了它在刺蕊草亚属内的亚属分类地位。基于对重新发现的该物种种群的观察,我们更新了其形态描述,提供了一幅插图,并讨论了其分布情况。根据世界自然保护联盟(IUCN)的标准,该物种被列为“极危(CR)”。