Rhabdocaulon is a genus of plants in the family Lamiaceae, first described as a genus in 1936. It is native to South America.Kew World Checklist of Selected Plant FamiliesForzza, R. C. 2010. Lista de espécies Flora do Brasil http://floradobrasil.jbrj.gov.br/2010. Jardim Botânico do Rio de Janeiro, Rio de Janeiro
Species Rhabdocaulon coccineum (Benth.) Epling - southern Brazil Rhabdocaulon denudatum (Benth.) Epling - Brazil Rhabdocaulon erythrostachys Epling - southern Brazil Rhabdocaulon gracile (Benth.) Epling - southern Brazil Rhabdocaulon lavanduloides (Benth.) Epling - southern Brazil Rhabdocaulon stenodontum (Briq.) Epling - southern Brazil, Paraguay, northeastern Argentina Rhabdocaulon strictum (Benth.) Epling - southern Brazil, Uruguay, northeastern Argentina
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