Theobroma cacao Theobroma cacao Theobroma cacao, also called the cacao tree and the cocoa tree, is a small ( tall) evergreen tree in the family Malvaceae, native to the deep tropical regions of the Americas. Its seeds, cocoa beans, are used to make cocoa mass, cocoa powder, confectionery, ganache and chocolate. Leaves are alternate, entire, unlobed, long and broad. The flowers are produced in clusters directly on the trunk and older branches; this is known as cauliflory. The flowers are small, diameter, with pink calyx. The floral formula is ✶ K5 C5 A(5°+5²) (5). While many of the world's flowers are pollinated
Cacao necrosis virus Cacao necrosis virus "Cacao necrosis virus" (CNV) is a plant pathogenic virus of the genus "nepovirus" that infects "Theobroma cacao" en natura causing cacao necrosis disease. CNV is considered synonymous with Strain S of cacao swollen shoot virus. Unlike cacao swollen-shoot virus, it is not transmitted by mealybugs nor vectored by aphids, beetles or leafhoppers that also commonly infest cacao. It is serologically, distantly related to Tomato black ring virus and very distantly related to Hungarian Chrome Mosaic virus. Cacao necrosis virus is restricted to systemic infection of "Theobroma cacao" in nature. Symptoms on cacao include an acute stage showing