brazil nut

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Brazil nut,

common name for the Lecythidaceae, a family of tropical trees. It includes the anchovy pear (Grias cauliflora), a West Indian species with edible fruit used for pickles, and several lumber trees of South America, e.g., the cannon-ball tree (Couroupita guianensis), some species of Barringtonia, and the Brazil nut (Bertholletia excelsa). The latter is found chiefly in Brazil along the Amazon and Orinoco rivers, but extensive groves have also been planted in N Bolivia. The edible Brazil nuts grow clumped together in large, round, woody and extremely hard seed pods the size of a large grapefruit. The meat of the seed (the "nut") is very rich in oil. The Brazil nut family is classified in the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
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, class Magnoliopsida, order Lecythidales.
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Brazil nut

[brə′zil ‚nət]
(botany)
Bertholletia excelsa. A large broad-leafed evergreen tree of the order Lecythedales; an edible seed is produced by the tree fruit.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

brazil nut

1. a tropical South American tree, Bertholletia excelsa, producing large globular capsules, each containing several closely packed triangular nuts: family Lecythidaceae
2. the nut of this tree, having an edible oily kernel and a woody shell
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
The regeneration of Brazil nut trees in relation to nut harvest intensity in the Trombetas River valley of Northern Amazonia, Brazil.
Moreover, harvested areas appear to have a greater abundance of Brazil nut trees than areas where harvesting has historically been more limited.
While Brazil nut concessionaires like Zegarra face mounting land-tenure insecurity, Indigenous groups (called "Native Communities" in Peru) are winning rights to ancestral forests that contain Brazil nut trees as part of a wave of Indigenous land tiding and tenure devolution taking hold in many countries in the Americas, including Honduras, Nicaragua, Ecuador, and Brazil.
Mostacedo, and P Cronkleton, "Damage to Brazil nut trees (Bertholletia excelsa) during selective timber harvesting in Northern Bolivia," Forest Ecology and Management, vol.
Lauraceae 18 15 Castana Bertholletia excelsa Lecythidaceae 1 1 TABLE 2: The Brazil nut concession ID, total area (ha) and number and density of Brazil nut trees, and the area ([m.sup.2]) and location (decimal degree) of the logging gaps (3 per concession) are included in this study.
The Brazil nut tree may not be able to save tropical forests on its own, but it has been and will certainly continue to be essential in protecting the forests of the Amazon.
The Brazil nut trees in southeastern Peru not only preserve large tracts of the tropical Amazon but also support intricately interrelated biological and economic systems
The researchers also surveyed the Brazil nut trees for size, a standard way of estimating tree ages.