Current nomenclature and systematics of Capsella Medik. with lectotypifications: towards solving the puzzle
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Dosyalar
Tarih
2022
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info:eu-repo/semantics/openAccess
Özet
The taxonomic history of Capsella Medik., one of the genera with the highest phenotypic plasticity, and thus the highest\rsynonym number relative to the recognized species number, was reviewed. The current systematics of the genus was discussed and the\rexact number of taxa was determined. In light of the molecular and nomenclatural data, it was decided that the genus was represented\raround the world by five species and one hybrid. Considering the molecular studies that have been conducted over the 30 years it was\rconcluded that the species of this genus are typical examples of the concept of cryptic species. The classification and nomenclature of\rsuch genetically different, morphologically similar species should be one of the most current discussion topics of modern systematic\rscience. Capsella is one of the best examples to examine this situation; hence, this feature was discussed herein. It was decided that\rC. thracica and C. × abortiva are conspecific and the correct naming should be C. abortiva (pro hybr.). Lectotype assignments were\rperformed for the names of 5 taxa, mainly C. rubella, C. × abortiva, and C. thracica. Also, the missing type specimen of the Turkish\rendemic C. lycia was found, the lectotype was assigned and it was determined to be a synonym of C. bursa-pastoris. Various errors in\rthe type sample references, especially in the holotype of C. grandiflora, were thus corrected. Their distribution around the world was\rchecked and then corrected, and an identification key is given for the taxa of the genus.
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Anahtar Kelimeler
Kaynak
Turkish Journal of Botany
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Cilt
46
Sayı
2
