NOVEDADES EN ASTERáCEAS COLOMBIANAS ？ I

study of recently acquired specimens in the colombian national hebarium (col) results in the discovery of five new species of asteraceae of the genera lessingianthus (vernonieae, 1 species), hebeclinium (eupatorieae, 1 species) and pentacalia (senecioneae, 3 species). we describe and illustrate these novelties. additionally, espeletiopsis laxiflora is reclassified as coespeletia laxiflora, establishing the presence of coespeletia cuatrec. in colombia.