Isolona is a genus of flowering plants in the family Annonaceae. There are 21 species native to Africa. They occur in humid habitat types. Species include: \n* Isolona campanulata Engler & Diels \n* Isolona cauliflora Verdc. \n* Isolona congolana (De Wild. & T. Durand) Engl. & Diels \n* Isolona cooperi Hutchinson & Dalziel \n* Isolona deightonii Keay \n* Isolona dewevrei Engl. & Diels. \n* Isolona heinsenii Engl. & Diels \n* Isolona hexaloba Engler \n* Isolona leonensis \n* Isolona linearis \n* Isolona maitlandii Keay \n* Isolona pilosa Diels \n* Isolona zenkeri Engl.