Osteophloeum is a genus of flowering plant in the family Myristicaceae. It contains a single tree species, Osteophloeum platyspermum, native to Panama and northern and western South America.
Two varieties are accepted:
Osteophloeum platyspermum var. platyspermum – Bolivia, Northern Brazil, Colombia, Ecuador, French Guiana, Guyana, Panama, Peru, and Venezuela
Osteophloeum platyspermum var. sulcatum (Little) T.S.Jaram. & Balslev – Colombia and Ecuador
