Randiawallichii is the name of a species, part of the genus Randia.
This species has been described by Hook.f. under the rules of the International Code of Nomenclature for algae, fungi, and plants (ICN / commonly called the botany code).
Botany
Revisions
Brachytomewallichii Hook.f.Brachytomewallichii is the combination used by Hook.f. in the original description of the species.