Boletus umbrinipileus
species of fungus
Boletus umbrinipileus is an edible basidiomycete mushroom, of the genus Boletus in the family Boletaceae. Morphologically similar to Boletus phaeocephalus and belonging to the porcini group (Boletus sect. Boletus), it was first described in 2015, and is known to be found only in China, Yunnan.
Morphology
Cap
The cap is 4.5 to 7 cm in diameter, initially plano-convex in shape, before becoming applanate as it ages; The surface is dry with small hair, brownish gray to olivaceous brown, sometimes with paler, grayish to grayish white margin. The flesh is white and does not turn blue when bruised.
Pores
The pores are stuffed with white when young, becoming pallid yellow with slightly olivaceous tinge, unchanged when bruised.
Stipe
From 8.5 to 10 cm long; 0.8–1.5 cm thick; subcylindrical shape; upper two-thirds colored brownish to grayish brown and covered with whitish reticulations which become more enlongated downward; lower one-third colored dirty white to white and not reticulated.
Spores
Subfusiform, 10–13 x 3.5–4 μm.
Habitat and distribution
Solitary or gregarious in the subtropical Fagaceae forests in Southwest China.
References
External links
Boletus umbrinipileus in Index Fungorum.
Begin with the source’s own compact description: “Boletus umbrinipileus” is species of fungus. The dossier treats that line as a proposition to test through Boletus, umbrinipileus and species, not as a finished interpretation.
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Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Apr 23, 2024. The linked authority identifier is Q107527112. The first chronological checks are 2015.
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This entry incorporates text from “Boletus umbrinipileus” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.