Malvales lightness, and that of "Tilia" (lime, linden, or basswood) as a popular wood for carving. Fruit of the cacao tree ("Theobroma cacao") are used as an ingredient for chocolate. Kola nuts (genus "Cola") are notable for their high content of caffeine and, in past, were commonly used for preparing of various cola drinks. Other well-known members of Malvales in the APG II sense are daphnes, hibiscus, hollyhocks, okra, baobab trees, cotton, and kapok. The morphology of Malvales is diverse, with few common characteristics. Among those most commonly encountered are palmate leaves, connate sepals, and a specific structure and chemical composition
Madeira-Tapajós moist forests excelsa" and "Duckeodendron cestroides". At one time the endemic tree "Polygonanthus amazonicus" grew near Maués, the western limit for the emergent "Dinizia excelsa" and the eastern limit for the "Theobroma cacao". The Tapajós basin is the eastern limit of "Theobroma microcarpum". The "Physocalymma scaberrima" has red hardwood used by furniture makers. The montane forests of the upper Marmelos and middle Tapajós hold "Hevea camporum", "Euterpe longibracteata", "Huberodendron ingens" and "Brachynema ramiflorum". Further south in Mato Grosso there are forests in the transition between the Amazon and cerrado biomes. 183 species of mammals have been reported, including 90 bat species and