Verbena Linnaeus. Verbena, Vervain.
A genus of about 70 species, herbs, of tropical, subtropical, and warm temperate regions of the New World and (rarely) Old World. Infrageneric taxonomy follows Nesom (2010b).
Ref: Atkins In Kadereit (2004); Barber (1982); Jiménez-Mejías & Naczi (2019); Nesom (2010b); Nesom (2010c); Nesom (2010d); O’Leary, Múlgara, & Morrone (2007); Verloove (2011); Yuan & Olmstead (2008). Show full citations.
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