Verbena incompta, of presumed South American origin, is reported as a naturalised but overlooked xenophyte in Italy and Spain. The affinity of the species is discussed, emphasising on its separation from the related V. bonariensis and V. brasiliensis in V. series Pachystachyae, and ecological and chorological notes are added. The three species are illustrated by digitised representative herbarium specimen.
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9 September 2011
Verbena incompta (Verbenaceae), an overlooked xenophyte in Europe
Filip Verloove
Willdenowia
Vol. 41 • No. 1
Jun 2011
Vol. 41 • No. 1
Jun 2011
Italy
Spain
taxonomy
Verbena ser. Pachystachyae