Title: Taxonomy of two Cymbalaria species (Scrophulariaceae) endemic to Italy: C. glutinosa sp. nov. and C. pubescens (J. & C. Presl) Cuf.
Abstract:Summary Aim of this paper is to shed new light on the identity and taxonomy of two species of Cymbalaria endemic to Italy: C. glutinosa sp. nov. (C. pilosa auct.) and C. pubescens (J. & C. Presl) Cuf....Summary Aim of this paper is to shed new light on the identity and taxonomy of two species of Cymbalaria endemic to Italy: C. glutinosa sp. nov. (C. pilosa auct.) and C. pubescens (J. & C. Presl) Cuf. Following lectotypification of the name Anthirrhinum pilosum Jacq. and its synonymization with Sibthorpia europaea L., it was necessary to replace the name C. pilosa with C. glutinosa on the basis of a new type. In addition, the field-based morphological study of numerous wild populations of C. glutinosa, distributed from Latium to Campania, pointed out to a clear correlation between some flower and seed characters and a well-defined pattern of geographical distribution. On the basis of the size of the corolla, the length and shape of the spur and of the seed coat sculpture, two subspecies were recognized. Subsp. glutinosa includes the northern populations stretching from the Sabina territory southwards to Gaeta and Spigno Saturnia, while subsp. brevicalcarata subsp. nov. circumscribes the southern populations from S. Gregorio Matese to the surroundings of Naples and the Cilento area. Finally, two new interesting characters were highlighted as far as C. pubescens, a Sicilian endemic, is concerned. The surface of the capsula was in fact shown to be covered by glandular trichomes and not glabrous as reported in the literature; this taxon was in addition found to possess a tetraploid chromosome complement with 2n = 28. This would indicate a closer relationship with the two eastern Mediterranean species C. microcalyx (Boiss.) Wettst. and C. minor (Cuf.) Speta than with the diploid (2n=14) Italian species C. muralis G., B. & S. and C. glutinosa sp. nov.Read More
Publication Year: 2000
Publication Date: 2000-01-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 3
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