Rutaceae Juss.
Eriostemon buxifolius Sm. - Eriostemon scaber Paxton , [n/a], intergrade
Wilson, Paul G. (10 December 1970), A taxonomic revision of the genera Crowea, Eriostemon and Phebalium (Rutaceae). Nuytsia 1(1): 46 BHL [primary reference]