Abstract
Rubus ser. Micantes Sudre (Rosaceae) includes apomictic polyploid species of hybrid origin, which occur in north-western and central Europe, with rare outposts south-east of the Alps. The first regionally distributed representative of the series occurring in Italy, Rubus vallis-cembrae Prosser & Kiraly, is described here as a morphologically unique, isolated tetraploid species. The new species is morphologically compared with related taxa of the series. Furthermore, comprehensive iconography and data on distribution and ecology are presented.Citation: Prosser F. & Kiraly G. 2019: Extending the range of Rubus ser. Micantes (Rosaceae) southward: Rubus vallis-cembrae, a unique new species from Italy. – Willdenowia 49: 167–175. doi: https://doi.org/10.3372/wi.49.49205Version of record first published online on 27 June 2019 ahead of inclusion in August 2019 issue.
Highlights
The first regionally distributed representative of the series occurring in Italy, Rubus vallis-cembrae Prosser & Király, is described here as a morphologically unique, isolated tetraploid species
The careful re-assessment of the herbarium material kept in ROV and the systematic field surveys of the first author showed that this morphotype (Rubus vallis-cembrae Prosser & Király) is quite common in a larger area and represents a hitherto unknown, distinct species of R. ser
Herbarium studies — For the study of Rubus valliscembrae, we examined a few earlier collections and the specimens presented during the recent fieldwork; iso- and paratypes were deposited in B, BP, FI and W
Summary
Micantes (Rosaceae) southward: Rubus valliscembrae, a unique new species from Italy The first regionally distributed representative of the series occurring in Italy, Rubus vallis-cembrae Prosser & Király, is described here as a morphologically unique, isolated tetraploid species. Prosser & Király: Rubus vallis-cembrae from Italy of the leaf indumentum
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