Theobroma cocoa and chocolate. "Theobroma" species are used as food plants by the larvae of some moths of the genus "Endoclita", including "E. chalybeatus", "E. damor", "E. hosei" and "E. sericeus". The larvae of another moth, "Hypercompe muzina", feed exclusively on "Theobroma cacao". An active ingredient of cacao, theobromine, is named for the genus. Theobroma Theobroma is a genus of flowering plants in the mallow family, Malvaceae, that is sometimes classified as a member of Sterculiaceae. It contains roughly 20 species of small understory trees native to the tropical forests of Central and South America. The generic name is derived from
Theobroma cacao of Veracruz, Mexico dates cacao's preparation by pre-Olmec peoples as early as 1750 BC. On the Pacific coast of Chiapas, Mexico, a Mokaya archaeological site provides evidence of cacao beverages dating even earlier, to 1900 BC. The initial domestication was probably related to the making of a fermented, thus alcoholic beverage. In 2018, researchers who analysed the genome of cultivated cacao trees concluded that the domesticated cacao trees all originated from a single domestication event that occurred about 3,600 years ago somewhere in Central America. Several mixtures of cacao are described in ancient texts, for ceremonial or medicinal, as well