The species was first formally described by Carl Meissner in "Prodromus Systematis Naturalis Regni Vegetabilis" in 1856, from material collected by James Drummond.
== Taxonomía =="Grevillea didymobotrya" fue descrita por Carl Meissner y publicado en "Prodromus Systematis Naturalis Regni Vegetabilis" 14: 386.