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.

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.

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
References in periodicals archive ?
Soon we reach a clutch of mature Brazil nut trees soaring into the canopy above.
This is of great benefit for the growth of new Brazil nut trees.
The scientists surveyed 23 natural Brazil nut tree populations and found that populations that have been extensively harvested over several to many decades are dominated by older trees, with very few younger trees present.
Both sound proactive management of natural Brazil nut tree populations and protection of the larger primary forest areas where the trees are found are required to avert the decline of Brazil nut populations and the erosion of this cornerstone of the Amazonian economy,' the scientists wrote.
The city council said the street name had been chosen by residents who wanted to name it after the brazil nut tree.
Until I saw a Brazil nut tree for the first time, I had no idea of the surprise awaiting mean and that it would change my relationship with the forest forever.