Belongs to the ditypic genus: C. crassifolia and C. pauciflora; Subfamily: Cedreloideae; Tribe: Trichilieae.

Small trees or shrubs. Leaves alternate, simple, entire. Cyme-like inflorescences of 3 to 4 flowers. Flowers bisexual. Capsule loculicidal with 2-5 valves, each locule bearing 1 or 2 plano-convex to kidney-shaped seeds; testa thick, leathery. Calodecaryia differs from the other Malagasy genera in that its stamens are free for at least ¾ of their length and its campylotropous seeds with sarcotesta. Phylogenetically, it is related to Turraea (Koenen & al., 2015).