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Episode 45

Auriscalpium vulgare
Mon, 2017-Jun-19 00:36 UTC
Length - 3:13

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Welcome to featured Wiki of the Day where we read the summary of the featured Wikipedia article every day.

The featured article for Monday, 19 June 2017 is Auriscalpium vulgare.

Auriscalpium vulgare, commonly known as the pinecone mushroom, the cone tooth, or the ear-pick fungus, is a species of fungus in the family Auriscalpiaceae of the order Russulales. It was first described in 1753 by Carl Linnaeus, who included it as a member of the tooth fungi genus Hydnum, but British mycologist Samuel Frederick Gray recognized its uniqueness and in 1821 transferred it to the genus Auriscalpium that he created to contain it. The fungus is widely distributed in Europe, Central America, North America, and temperate Asia. Although common, its small size and nondescript colors lead it to be easily overlooked in the pine woods where it grows. A. vulgare is not generally considered edible because of its tough texture, but some historical literature says it used to be consumed in France and Italy.

The fruit bodies (mushrooms) grow on conifer litter or on conifer cones that may be partially or completely buried in soil. The dark brown cap of the small, spoon-shaped mushroom is covered with fine brown hairs, and reaches a diameter of up to 2 cm (0.8 in). On the underside of the cap are a crowded array of tiny tooth-shaped protrusions ("teeth") up to 3 mm long; they are initially whitish to purplish-pink before turning brown in age. The dark brown and hairy stem, up to 55 mm (2.2 in) long and 2 mm thick, attaches to one edge of the cap. The mushroom produces a white spore print out of roughly spherical spores.

High levels of humidity are essential for optimum fruit body development, and growth is inhibited by excesses of either light or darkness. Fruit bodies change their geotropic response three times during their development, which helps ensure that the teeth ultimately point downward for optimum spore release. The pure culture, cell division and the ultrastructure of A. vulgare's hyphae and mycelia have been studied and described in search of potentially useful characters for phylogenetic analysis. When grown in culture, the fungus can be induced to produce fruit bodies under suitable conditions.

This recording reflects the Wikipedia text as of 00:36 UTC on Monday, 19 June 2017.

For the full current version of the article, go to

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These podcasts are produced by Abulsme Productions based on Wikipedia content.

They are released under a Creative Commons Attribution-ShareAlike 3.0 Unported License.

Creative Commons License

Abulsme Productions also produces Curmudgeon's Corner, a current events podcast.

If you like that sort of thing, check it out too!

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