Taxonomy and evolution of the Convolvulus sabatius complex (Convolvulaceae)

Risultato della ricerca: Articlepeer review


A revision of the Convolvulus sabatius complex is presented and five taxa are now recognised. Convolvulus valentinus isre-circumscribed to comprise only blue-flowered individuals. Yellow-flowered plants previously referred to this speciesare transferred to C. supinus where they are recognised as a distinct variety: C. supinus var. melliflorus, comb nov.Variation in intensity of flower colour, pubescence and leaf shape among blue-flowered C. valentinus is highly variablewithin populations and in contrast to earlier treatments, no infraspecific taxa based on these traits are recognised. Despitesuggestions to the contrary, the delimitation of the cultivated ornamental C. sabatius and its two subspecies isunproblematic. Molecular data from the chloroplast trnH-psbA region support the recircumscription of C. supinus and C.valentinus and highlight the genetic distinctiveness of a disjunct Iberian population of the latter that merits furtherinvestigation.
Lingua originaleEnglish
pagine (da-a)1-21
Numero di pagine21
Stato di pubblicazionePublished - 2010


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