Abstract
Solanum brasilianum Dunal was described by Dunal in 1813 with reference only to an illustration in an 18th century work by Leonard Plukenet. The plate is difficult to interpret and no explicitly related specimens were available so the name Solanum brasilianum has long been regarded as “unresolved” and has never been used. Material matching the Plukenet plate was discovered in the herbarium of the University of Oxford (OXF) by Stephen Harris during his study of the English privateer William Dampier’s Brazilian collection. The specimen is referable to a common Brazilian Solanum that is a member of the Torva clade, Solanum paniculatum L., making Solanum brasilianum Dunal a heterotypic synonym. We lectotypify Solanum brasilianum here, and designate an epitype using the Dampier material from OXF.
Highlights
Brazil is one of the hotspots of species richness for the mega-diverse genus Solanum L. (Solanaceae), with 272 accepted species (Flora do Brasil 2020, http://floradobrasil.jbrj. gov.br/reflora/floradobrasil/FB14716)
Plukenet’s polynomial appeared in the Appendix to the Amaltheum botanicum (Plukenet 1705) along with other Brazilian and Australian plants based on the collections of William Dampier and Chinese plants sent by Jacob Cunningham
Plukenet’s (1705) figure is extremely diagrammatic, and has none of the diagnostic features that would enable placement in a species group of Solanum (Fig. 1); the polynomial does allow its placement in Solanum by reference to its similarity with potatoes (“Papas Americani”)
Summary
Giacomin | Received 2 November 2016 | Accepted 19 December 2016 | Published 5 January 2017 Citation: Ribeiro-Silva S, Knapp S, Proença CEB (2017) On the identity and typification of Solanum brasilianum Dunal (Solanaceae).
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