Additions to the genus Lessingianthus (Asteraceae, Vernonieae) from South America
Abstract Two new species of Lessingianthus (Asteraceae: Vernonieae) are described and illustrated.One of these, L.foliosus Dematt., bears a resemblance to L.vepretorum, but can be separated from it by its linear leaves, that are lanate on the abaxial surface, and by its shorter internodes.The benwa-balls other new species, L.lapinhensis Dematt., ca