''Crossosperma'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of shrubs in the family

Rutaceae The Rutaceae is a family, commonly known as the rueRUTACEAE
in BoDD – Botanical Derm ...

. The genus is endemic to

New Caledonia ) , anthem = "" , image_map = New Caledonia on the globe (small islands magnified) (Polynesia centered).svg , map_alt = Location of New Caledonia , map_caption = Location of New Caledonia , mapsize = 290px , subdivision_type = Sovereign st ...

in the Pacific and contains two species. Its closest relative is the Australian ''

Acradenia ''Acradenia'' is a genus of two species of tree or shrub in the family Rutaceae and is endemic to Australia. These plants have leaves that are trifoliate, arranged in opposite pairs and flowers that have five sepals, five petals and usually ten ...

''.Bayly, M. J., G. D. Holmes, P. I. Forster, D. J. Cantrill, and P. Y. Ladiges. (2013) Major Clades of Australasian Rutoideae (Rutaceae) Based on rbcL and atpB Sequences.” PLoS ONE 8 (8): e72493.

References

Endemic flora of New Caledonia Zanthoxyloideae Zanthoxyloideae genera {{Rutaceae-stub