Subfamily: Caesalpinioideae.
Phylogenetic Number: 1.2.11.
Tribe: Cassieae.
Subtribe: Dialiinae.
Species Studied - Species in Genus: 0 studied; 1 in genus.
Upper Brazilian Amazonia.
New World; South America (Amazonas State, Brazil); Brazil.
This genus was described from a single collection found in the state of Amazonas, Brazil (B. A. Krukoff 9005). Neither fruits nor seeds were available for study.