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Boletus edulis, commonly known as the King Bolete or Porcini, is the type species of the genus Boletus and a quintessential ectomycorrhizal fungus. Morphologically, it is characterized by a large, fleshy fruit body with a convex cap that flattens with age, often appearing greasy or viscid in humid conditions. The pore surface is initially distinctively white and stuffed, transitioning to lemon-yellow and finally olive-green as the spores mature. A key identification feature is the fine, white reticulation (net-like pattern) found on the upper portion of the stipe, which contrasts against the stem color. The lifecycle involves a complex symbiotic relationship with the roots of specific host trees, where the mycelium forms a Hartig net and mantle to exchange nutrients, making this species obligately dependent on its forest habitat for survival.
Native: Europe, North America, Asia. Introduced: New Zealand, South Africa, Australia (limited). Holarctic distribution; widely distributed throughout the Northern Hemisphere and introduced to the Southern Hemisphere via pine plantations.
No strains cataloged yet for this species.
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