Wikipedia:Today's featured article/May 23, 2011

Boletus edulis, commonly known as penny bun or porcino, is a basidiomycete fungus. It is widely distributed in the Northern Hemisphere across Europe, Asia, and North America, and has been introduced to southern Africa, Australia and New Zealand. The fungus grows in deciduous and coniferous forests and tree plantations, forming symbiotic ectomycorrhizal associations with living trees by enveloping sheaths of fungal tissue around their underground roots. The fungus produces spore-bearing fruit bodies above ground in summer and autumn. The fruit body has a large brown cap which on occasion can reach 35 cm in diameter and 3 kg in weight. It has tubes extending downward from the underside of the cap, rather than gills. Prized as an ingredient in various foods, B. edulis is an edible mushroom held in high regard in many cuisines, and is commonly prepared and eaten in soups, pasta, or risotto. The mushroom is low in fat and digestible carbohydrates, and high in protein, vitamins, minerals and dietary fibre. Although it is sold commercially, it has not been successfully grown in cultivation. Available fresh in autumn in Central, Southern and Northern Europe, it is most often dried, packaged and distributed worldwide. (more...)

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