Camelliagilbertii is the name of a species, part of the genus Camellia.
This name is an alternative combination by Sealy of an original description of species by A.Chev. under the rules of the International Code of Nomenclature for algae, fungi, and plants (ICN / commonly called the botany code)..
Theagilbertii A.Chev.Theagilbertii is the combination used by A.Chev. in the original description of the species.