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XTBG OpenIR  > 2012年后新成立研究组  > 期刊论文

title: Phylogenetic approaches resolve taxonomical confusion in Pedicularis (Orobanchaceae): Reinstatement of Pedicularis delavayi and discovering a new species Pedicularis milliana
author: Yu, Wen-Bin;  Wang, Hong;  Liu, Min-Lu;  Grabovskaya-Borodina, Alisa E.;  Li, De-Zhu
Issued Date: 2018
Abstract: Morphological identification of Pedicularis depends on floral characters. However, some important characters may be lost during the process of pressing the specimen. Pedicularis delavayi was described from northwestern Yunnan, and widely adopted as a variety of P. siphonantha. Unfortunately, the name "P. siphonantha var. delavayi incorrectly referred to P. milliana (a new species described in this study) or P. tenuituba in some herbarium specimens and publications. Moreover, phylogenetic relationships among P. delavayi, P. siphonantha and its allies (P. milliana and P. tenuituba) were not fully resolved. In this study, we sampled 76 individuals representing 56 taxa. Of them, 10 taxa were from P. siphonantha lineage, and 11 individuals of P. delavayi represented 9 populations. These species were named as P. siphonantha group on the basis of morphological similarity. Nuclear ribosomal internal transcribed spacer (nrITS) and four chloroplast genes/regions were used for phylogenetic analyses. Phylogenetic analyses showed that the P. siphonantha group was polyphyletic: P. delavayi was sister to P. obliquigaleata in Glade A; and the remaining species of P. siphonantha group were monophyletic in Glade B, named as P. siphonantha lineage. In the P. siphonantha lineage, P. milliana, P. siphonantha, and P. tenuituba were well supported as monophyletic, and P. dolichosiphon was sister to P. leptosiphon. Morphologically, P. de/avayidiffers from species of the P. siphonantha lineage in having a long petiole (similar to 50 mm) and pedicel (similar to 40 mm), a ridged corolla tube, and a folded lower-lip of the corolla. Therefore, both morphological characters and phylogenetic evidence strongly supported to reinstate P. delavayi as an independent species and describe P. milliana as new species. In addition, P. neolatituba was proposed to reduce as a new synonymy of P. delavayi.
Source: PLOS ONE
Related URLs: 10.1371/journal.pone.0200372
Appears in Collections:2012年后新成立研究组_期刊论文

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Recommended Citation:
Yu, Wen-Bin,Wang, Hong,Liu, Min-Lu,et al. Phylogenetic Approaches Resolve Taxonomical Confusion In Pedicularis (orobanchaceae): Reinstatement Of Pedicularis Delavayi And Discovering A New Species Pedicularis Milliana[J]. Plos One,2018,13(7):-.

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