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{{DISPLAYTITLE:''Bertholletia exelsaexcelsa'' (PROSEA)}}<big>''[[Bertholletia exelsaexcelsa]]'' Humb. & Bonpl.</big><font color=#901040>(published as ''exelsa'')</font>

*''Bertholletia nobilis'' Miers.

*Brazil nut, para nut (En). *Noyer du Brésil (Fr).

*Very large tree, height to 50 m, trunk diameter 1-2 m, branched only in the upper parts generally. *Fruit capsule-like, globose, with thick-walled woody shell, brown, 12-15 cm in diameter, containing 12-25 seeds. *Seeds angular, with brown, woody shell, 3-5 cm long.  Occurs in dense lowland rain forests. Widely distributed above the flood level, sometimes in nearly pure stands. Nearly all the world's supply of over 50 000 t/year is collected from the wild. Trees start bearing 10-20 years after planting.

10*Burkill, 26I.H., 281966. A dictionary of the economic products of the Malay Peninsula. 2nd ed. 2 Volumes. Ministry of Agriculture and Co operatives, 66Kuala Lumpur, Malaysia. 2444 pp. *Heyne, K., 1927. De nuttige planten van Nederlandsch Indië [The useful plants of the Dutch East Indies]. 2nd ed. 3 Volumes. Departement van Landbouw, Nijverheid en Handel in Nederlandsch Indië. 1953 pp. *Howes, F.N., 1948. Nuts. Their production and everyday use. Faber & Faber, London. 264 pp. *Purseglove, J.W., 1975. Tropical Crops. Dicotyledons 1 & 2. Longmans Green & Co., London. 719 pp. == Authors == P.C.M. Jansen, J. Jukema, L.P.A. Oyen, T.G.van Lingen