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Mushrooms

Rubinoboletus luteopurpureus

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A wild ectomycorrhizal bolete of the Tshopo rainforests in DR Congo, recorded as locally eaten in a 2020 interview study. Species-level food use is not independently assessed.

What it is

Rubinoboletus luteopurpureus is a bolete, a mushroom with a porous spore surface rather than gills, that grows in association with the roots of rainforest trees. It is an ectomycorrhizal fungus: it lives in a partnership with its host trees and is not grown on wood or litter.

The name is recorded here as a research label. The catalogue entry does not validate it against a current accepted taxonomy, so the scientific name should be read as the name the source used, not as a settled species identity. The entry describes the supply as wild.

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Where it is recorded

The only place recorded for this species is Tshopo province in the Democratic Republic of the Congo. The regional study that frames this record is Milenge Kamalebo and De Kesel, published in the Journal of Ethnobiology and Ethnomedicine in 2020. That study sampled rainforest plots and interviewed 160 informants from six ethnic communities about wild edible ectomycorrhizal fungi, and it reports these fungi as an underused food source in the region.

The study abstract does not name this species. The species-level food record comes from the supplied catalogue entry, which cites the same article. The distinction matters: the article supports the regional food context, and the catalogue supplies the link to this name.

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Food use and its limits

The catalogue records this fungus as locally consumed in the Tshopo interviews. It treats that as an ethnomycological food-use record, not an independent toxicological assessment. No preparation method is established for this species, and the catalogue does not describe any stage that makes it safe to eat.

No edibility or safety verdict is given here. Whether this bolete is safe to eat, and how it would need to be prepared, is not established by the sources available to this page. Ethnomycological use records show that people have eaten the fungus in one place; they do not show that the same fruiting body is safe for a reader elsewhere to identify and eat.

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What remains unknown

The sources leave the following open: the accepted name and any synonyms, the morphology needed to separate this species from look-alike boletes, the season and habitat detail beyond ectomycorrhizal rainforest growth, the local name used in the interviews, the lookalikes, and toxicity data. Each is a gap to close before any further food account is written.

Wild fungi are identified by people with local knowledge. Fermenta cannot identify a gathered specimen or guarantee that it is edible. Have any wild mushroom competently identified by a qualified local expert before eating it.

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Places

Tshopo province

Documented use · Region evidence

Recorded as locally consumed in voucher-backed Tshopo interviews in the catalogue entry; species-specific preparation was not established.

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