LeptosiphoniumLeptosiphonium is a genus of flowering plants in the family Acanthaceae. It includes ten species native to New Guinea and the Solomon Islands.SpeciesTen species are accepted:Leptosiphonium aruense Leptosiphonium forbesii Leptosiphonium garckeanum Leptosiphonium gloeocalyx Leptosiphonium guppyi Leptosiphonium papuanum Leptosiphonium potamoxenos Leptosiphonium stricklandii Leptosiphonium versicolor ''Leptosiphonium vestitum''