References

For Ixora

Mouly, A., S.G. Razafimandimbison, A. Khodabandeh, and B. Bremer. 2009. Phylogeny and classification of the species‐rich pantropical showy genus Ixora (Rubiaceae‐Ixoreae) with indications of geographical monophyletic units and hybrid. Amer. J. Botany 96: 686-706. Google Scholar