“Ixora is a genus of flowering plants in the Rubiaceae family. It is the only genus in the tribe Ixoreae. It consists of tropical evergreen trees and shrubs and holds around 545 species…
The plants possess leathery leaves, ranging from 3 to 6 inches in length, and produce large clusters of tiny flowers in the summer. Members of Ixora prefer acidic soil, and are suitable choices for bonsai. “– Ref