Page 20 - 《广西植物》2020年第10期
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10 期                     蔡磊等: 苦苣苔科植物 Lysionotus bijantiae 的名实订正                           1 4 0 3



            苦苣苔科植物 Lysionotus bijantiae 的名实订正


                      蔡  磊 ꎬ BORAH Dipankar ꎬ 刀志灵 ꎬ 温  放                    2ꎬ4∗
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                              1
       ( 1. 中国科学院昆明植物研究所云南省极小种群野生植物综合保护重点实验室/ 东亚植物多样性与生物地理学重点实验室ꎬ
                            广 西 壮 族 自 治 区
           中国 昆明 650201ꎻ 2.             广西植物研究所ꎬ 中国 广西 桂林 541006ꎻ 3. 拉吉夫甘地大学植物学系ꎬ
                            中 国 科 学 院
                 印度 791112ꎻ 4. 中国科学院桂林植物园ꎬ 中国苦苣苔科植物保育中心ꎬ 中国 广西 桂林 541006 )
       摘  要: 通过查阅相关文献和标本ꎬ作者发现近期发表的苦苣苔科吊石苣苔属植物一新种———Lysionotus

       bijantiae D. Borah & A. Joe 实为鉴定错误ꎬ应是汉克苣苔属的长圆叶汉克苣苔[Henckelia oblongifolia (Roxb.)
       D. J. Middleton & Mich. Möller] [原长圆叶唇柱苣苔 Chirita oblongifolia (Roxb.) Sinclair]ꎮ Lysionotus bijantiae 的
       模式标本采集于中国西藏东南部地区的喜马拉雅南坡ꎬ该地区苦苣苔植物多样性较为丰富ꎮ 作者因其花具 2 枚
       发育雄蕊而将其归于吊石苣苔属ꎬ花萼分裂不达基部而与吊石苣苔属其他相关种类比较ꎬ而忽略了其种子先端
       不具附属物的特征ꎮ 通过电镜扫描观察到ꎬ该种在墨脱境内居群以及其模式产地居群的种子均无附属物ꎬ从而
       证实了该种不是吊石苣苔属的物种ꎬ而是属于汉克苣苔属ꎮ 因此ꎬ作者将 Lysionotus bijantiae 处理为 Henckelia
       oblongifolia 的新异名ꎬ同时提供了长圆叶汉克苣苔的彩色图片(含种子扫描图)、选定模式标本ꎬ并给出了吊石苣
       苔属和汉克苣苔属的区分方法和主要识别特征ꎬ不仅为这两个属的物种鉴定提供了参考ꎬ而且避免更多的物种

       分类混淆问题出现ꎮ
       关键词: 苦苣苔科ꎬ 吊石苣苔属ꎬ 汉克苣苔属ꎬ 新异名



                                                     species in the paper. Howeverꎬ seeds from the mature
   1  Introduction                                   capsules respectively collected from the type locality in

                                                     2020 and Motuo Countyꎬ Xizang Autonomous Regionꎬ
       Recentlyꎬ a new Gesneriaceae speciesꎬ Lysionotus  China in 2017 both have no appendages at either end of

   bijantiae D. Borah & A. Joe from the southern slopes of  the seedsꎬ which indicates the new species does not
   the Himalayas was describedꎬ and only based on    belong to the genus Lysionotus. In additionꎬ there are
   morphological characters ( Borah & Joeꎬ 2018). The  three staminodesꎬ and not two as reported in the original
   authors pointed out that the new species differed from  descriptionꎬ with a middle staminode significantly

   Lysionotus gamosepalus W. T. Wang in having erect  smaller than the others on the sidesꎬ therefore extremely
   sub ̄shrub habitꎬ pubescent stem/ leaves/ peduncles/  easy to neglect. The species is also mistakenly identified
   petiolesꎬ lanceolate and villous bractsꎬ hairy calyxꎬ  as Henckelia anachoreta ( Hance) D. J. Middleton &
   cream corollaꎬ curved  filamentsꎬ connective  not  Mich. Möller in the taxonomic account from Northeast
   prolonged into an appendageꎬ and cream and pubescent  Indiaꎬ although the color plate clearly showed its

   pistil. The description and the color plates are  morphological character (Sinha & Dattaꎬ 2016). These
   clear. The characters listed in the description make this  characters mentioned above are not in accordance with
   plant a good new species of Lysionotus D. Donꎬ but that  the new species of Lysionotus but well identical with
   is not the case after other key features are examined  Henckelia oblongifolia ( Roxb.) D. J. Middleton &
   more carefully. For exampleꎬ the authors described as  Mich. Möller (Wang et al.ꎬ 1990ꎬ 1998ꎻ Weber et al.ꎬ
   “seeds numerous with hair ̄like appendages on each  2011) (Fig. 1).
   end”ꎬ but did not provide images of seeds for this    The genus Henckelia Spreng. now consists of more
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