Belongs within: Papilionoideae.
Luetzelburgia is a Neotropical genus of leguminous trees and shrubs bearing flowers with crimped, biauriculate petals and samaroid pods with a prominent wing.
<==LuetzelburgiaCP13
|--L. guianensisCP13
`--+--L. amazonicaCP13
|--L. andicaCP13
|--L. andrade-limaCP13
|--L. auriculataCP13
|--L. bahiensisCP13
|--L. guaissaraCP13
|--L. harleyiCP13
|--L. trialataCP13
|--+--L. neurocarpaCP13
| `--L. purpureaCP13
`--+--L. praecoxCP13
`--L. sotoiCP13
*Type species of generic name indicated
References
[CP13] Cardoso, D., R. T. Pennington, L. P. de Queiroz, J. S. Boatwright, B.-E. Van Wyk, M. F. Wojciechowski & M. Lavin. 2013. Reconstructing the deep-branching relationships of the papilionoid legumes. South African Journal of Botany 89: 58–75.