Zinnia violacea

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2. Zinnia violacea Cav. (syn.: Z. elegans Jacq.) (S and C-Am.) – An exceptional and ephemeral garden escape. A single plant was recorded on a gravelly bank of river Maas in Lanaken (Neerharen) in 2011 (Hochter Bampd; see also http://waarnemingen.be/waarneming/view/56644278). In 2015 also seen on ground heaps by a canal in Merendree, along with Cosmos sulphureus and Tithonia rotundifolia.

This species is well-known in horticulture as Zinnia elegans but the validly published binomial Z. violacea predates the former and therefore has priority.

Herbarium specimen

Zinnia violacea, Lanaken (Neerharen), Hochter Bampd, gravelly river border, October 2011, R. Barendse Zinnia violacea, Lanaken (Neerharen), Hochter Bampd, gravelly river border, October 2011, R. Barendse
Zinnia violacea, Lanaken (Neerharen), Hochter Bampd, gravelly river border, October 2011, R. Barendse  

Taxonomic name: 
Zinnia violacea (Species List)
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith