The eophylls are petiolate, glabrous, with opposite phyllotaxy, dorsiventral, hypostomatic and with heterogeneous, asymmetric mesophyll.
Flavia Aparecida Ortolani, Márcia Fiorese Mataqueiro, José Roberto Moro, Fabíola VittiMoro, Carlos Ferreira Damião Filho 2008, 'Morfo-anatomia de plântulas e número cromossômico de Cybistax antisyphilitica (Mart.)Mart. (Bignoniaceae) Seedling morpho-anatomy and chromosome number of Cybistax antisyphilitica(Mart.) Mart. (Bignoniaceae)', Acta Botânica Brasílicahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062008000200005. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Diagnostic characters include the petiolate or subsessile.
W. Swanepoel 2005, 'Commiphora kaokoensis (Burseraceae), a new species from Namibia, with noteson C. dinteri and C. namaensis', Bothalia: African Biodiversity & Conservationhttps://abcjournal.org/index.php/abc/article/view/368. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)