The occurrence of Pinguicula grandiflora subsp. grandiflora, previously unknown for the Italian flora, is reported for the Rutor Valley (Valle d’Aosta, Western Italian Alps). A single population of less than 100 individuals was recorded at 2135 m a.s.l., while no other population was found in the surroundings, where only Pinguicula leptoceras and P. vulgaris grow. The autochthony of the population and the biogeographic significance of the finding are discussed as well as the implications for its conservation.
Pinguicula grandiflora (Lentibulariaceae), specie nuova per la flora italiana / C. Compostella, M. Beretta, M. Caccianiga. - In: INFORMATORE BOTANICO ITALIANO. - ISSN 0020-0697. - 42:1(2010), pp. 63-66.
Pinguicula grandiflora (Lentibulariaceae), specie nuova per la flora italiana
C. CompostellaPrimo
;M. BerettaSecondo
;M. CaccianigaUltimo
2010
Abstract
The occurrence of Pinguicula grandiflora subsp. grandiflora, previously unknown for the Italian flora, is reported for the Rutor Valley (Valle d’Aosta, Western Italian Alps). A single population of less than 100 individuals was recorded at 2135 m a.s.l., while no other population was found in the surroundings, where only Pinguicula leptoceras and P. vulgaris grow. The autochthony of the population and the biogeographic significance of the finding are discussed as well as the implications for its conservation.
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