Carex camposii subsp. tejedensis (Cyperaceae), a new taxon for Southern Iberian Peninsula based on molecular, morphological and ecological differentiation

  1. Rogelio Sánchez-Villegas 1
  2. Marcial Escudero 2
  3. Santiago Martín-Bravo 1
  4. Carlos Salazar-Mendía 3
  5. Jose A. Algarra 4
  6. Modesto Luceño 1
  1. 1 Department of Molecular Biology and Biochemical Engineering, Botany area, Pablo de Olavide University. Seville, Spain
  2. 2 Department of Plant Biology and Ecology, University of Seville. Seville, Spain
  3. 3 Department of Animal Biology, Plant Biology and Ecology, University of Jaen, Campus Las Lagunillas. Jaén, Spain
  4. 4 Botanic Garden Hoya de Pedraza, The Environment and Water Agency of Andalusia. Granada, Spain
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Revue:
Mediterranean Botany

ISSN: 2603-9109

Année de publication: 2023

Volumen: 44

Type: Article

DOI: 10.5209/MBOT.80087 DIALNET GOOGLE SCHOLAR lock_openAccès ouvert editor

D'autres publications dans: Mediterranean Botany

Objectifs de Développement Durable

Résumé

Carex camposii Boiss. & Reut., endemic to high mountain ranges in Southern Iberian Peninsula (Sierra Nevada, Sierra de los Filabres and Sierra de Baza), is a morphologically and molecularly well-defined species included in Carex gr. laevigata (subg. Carex, sect. Spirostachyae). We have discovered a population of a morphologically similar species to C.camposii in a different mountain range (Sierra de Tejeda), that displayed some deviant morphological characters and was found in a different habitat from that typical of the species. In order to disentangle the taxonomic status of this population, we have conducted a phylogenetic analysis using five nuclear (ITS, ETS, G3PDH, CATP and GZF) and three plastid (matK, rpS16 and 5’trnK intron) DNA regions. In addition, a morphological analysis including the population from Sierra de Tejeda was carried out. The resulting phylogenetic trees show that the samples of the problematic population are closely related to C.camposii, while the morphological study revealed that a total of nine morphological features did not match those of typical C.camposii. Even though the samples from Sierra de Tejeda are genetically not well differentiated from C.camposii, the morphological and ecological differentiation supports its recognition as a new subspecies, C.camposii subsp. tejedensis. An assessment of its conservation status using IUCN categories and criteria suggests that it could be critically endangered (CR).

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  • Figure S1. Majority-rule consensus tree obtained from the Bayesian analysis of all the combined DNA regions (ITS, ETS, G3PDH, CATP, GZF, matK, rpS16and 5’trnK intron). Node labels indicate posterior probability of the clades only when it is higher than 0.9. Tip labels indicate species names and populations (see Supplementary material, Table S1). Scale bar represents substitutions per site.
  • Table S1. Studied material including taxon, population code, locality, voucher and/or herbarium number, and NCBI GenBank accession numbers for each molecular marker (ITS, ETS, G3PDH, CATP, GZF, matK, 5’trnK intron, rps16).
  • Table S2. Characteristics of the nuclear, plastid and combined matrixes.
  • Table S3. Materials used for the elaboration of the distribution map of thetwo subspecies of Carex camposii. The search for the locations of C.camposii subsp. camposii has been carried out through the GBIF (GBIF, 2021) and Anthos (Anthos, 2011) platforms.
  • Table S4. Morphological characters examined of Carex camposii (including subsp. tejedensis).
La source de données: Dialnet