Fungi: Basidiomycota: Agaricomycetes: Boletales: Boletaceae: Pulveroboletus ravenelii (Berk. & M.A.Curtis) Murrill
Synonyms: Boletus ravenelii, Suillus ravenelii.
Common names: sulphur bolete, powdery sulfur bolete.
Extract from Wikipedia article: Pulveroboletus ravenelii, commonly known as Ravenel's bolete or the powdery sulfur bolete, is a species of bolete fungus in the family Boletaceae. Described as new to science in 1853, the widely distributed species is known from Asia, Australia, North America, Central America, and South America. Mycorrhizal with oak, the fungus fruits on the ground singly, scattered, or in groups in woods. Fruit bodies (mushrooms) have convex to flat, yellowish to brownish-red caps up to 10 cm (4 in) in diameter. On the cap underside, the pore surface is bright yellow before turning dingy yellow to grayish brown with age; it stains greenish blue then grayish brown after injury. A cottony and powdery partial veil remains as a ring on the stipe. The mushrooms are edible, and have been used in traditional Chinese medicine and for mushroom dyeing.
Russian: Пульвероболет Равенеля.
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