The Crypteroniaceae are a family of flowering trees and shrubs. The family includes 13 species in three genera, native to Indomalaya. The Crypteroniaceae are native to tropical lowland and submontane rain forests. The genus Axinandra includes four species, one in Sri Lanka (A. zeylanica) and the others in Borneo and the Malay Peninsula. Crypteronia includes seven species, ranging from eastern India through Southeast Asia and southern China to the Malay Peninsula, Indonesia, and New Guinea. Dactylocladus consists of a single species, native to the lowland peat swamp forests of Borneo.