Leptadenia is a genus of plant in family Apocynaceae, first described as a genus in 1810. It is native to Africa, including Madagascar, as well as southwest Asia and the Indian Subcontinent. Species 1. \n* Leptadenia arborea (Forssk.) Schweinf. - Sudan, Ethiopia 2. \n* Leptadenia lancifolia (Schumach. & Thonn.) Decne. - tropical Africa 3. \n* Leptadenia madagascariensis Decne. - Madagascar 4. \n* Leptadenia pyrotechnica (Forssk.) Decne. - widespread from Algeria to India 5. \n* Leptadenia reticulata (Retz.) Wight & Arn. - Madagascar formerly included