UNA NUEVA ESPECIE DE ARTHROPOGON (POACEAE: PANICOIDEAE: PANICEAE) Y PRIMER REGISTRO DEL GéNERO EN COLOMBIA

a new species of arthropogon is described and illustrated. the new species is only known from the departament of vaupés (colombian guayana). thus, this novelty constitutes the first record of the genus for colombia. a key to the four species of the genus is given.