ABSTRACT
This work aimed to determine the chromosome number and report a new occurrence in the geographical distribution of Rhynchosia naineckensis Fortunato to Goias state. Specimen were collected from three different natural populations from fragments of deciduous forest in Northeast Goiás. This species is diploid, with 2n=2x=22 chromosomes. Meta and submetacentric chromosomes and arreticulate interphase nuclei were observed. This is the first citation of Rhynchosia naineckensis for the state of Goiás.
Keywords:
Rhynchosia; chromosomes; interphase nuclei; distribution; Leguminosae