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Amanita bweyeyensis

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Amanita bweyeyensis is a Eucalyptus-associated Amanita in East and Central Africa, in section Phalloideae with the deadly A. phalloides. Sources call for extreme caution, and it is not recommended as food.

Two whole pale mushrooms and two lengthwise halves show white gills, flesh, stems and soil-covered bulbous bases on a warm ivory background.

Identity and relatives

Amanita bweyeyensis belongs to section Phalloideae, the section that includes the lethal death cap, Amanita phalloides. The EFTA species page says it looks like A. phalloides and that a supposed white variety of A. phalloides under Eucalyptus in South Africa may in fact be this species.

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Toxin-associated genes

A recent finding reports genes in A. bweyeyensis tissues that are not expressed but code for the same toxins as its deadly relative. The EFTA page gives this as the reason for its caution about the species.

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Distribution and habitat

The species is ectomycorrhizal and is recorded under Eucalyptus in plantations in Burundi, Rwanda and Tanzania. The original description, by Fraiture and colleagues in MycoKeys in 2019, is cited on the EFTA page; it was not read for this page.

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Food record and safety

The catalogue records a reported food use in these countries, retained only as a high-risk research record. The EFTA page itself describes the species' ecology and distribution and does not describe any edible use or preparation.

The EFTA page advises extreme caution, saying the similarity to A. phalloides and the toxin-associated genes call for extreme caution. The sources read do not support eating this species, and this page gives no preparation and no edibility verdict. The catalogue's classification is a safety conflict, and the record should be read as a warning, not as a food recommendation.

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Places

Burundi

Relationship not established · Country evidence

Recorded distribution; the catalogue's reported food use is not located in the EFTA source.

Rwanda

Relationship not established · Country evidence

Recorded distribution; food use not established by the source read.

Tanzania

Relationship not established · Country evidence

Recorded distribution; food use not established by the source read.

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