What is "citrophilous"

Usage examples of "citrophilous".

Before the Disasters, in what the Halidomians were apt to refer to, wistfully, as "the good old days," Halidom and Troth had been much alike, with their fields of azure, their mulberry orchards, their castles set in gardens of fleer-de-lys, roses, trefoils, citrophilous and cinquefoils, their stately forests of pageant trees and family trees, and their abundance of animals.