Hydnum repandum
Hydnum repandum is a basidiomycete fungus of the family Hydnaceae. First described by Carl Linnaeus in 1753, it is the type species of the genus Hydnum. The fungus produces fruit bodies that are characterized by their spore-bearing structures.
About Hydnum repandum in brief
Hydnum repandum is a basidiomycete fungus of the family Hydnaceae. First described by Carl Linnaeus in 1753, it is the type species of the genus Hydnum. The fungus produces fruit bodies that are characterized by their spore-bearing structures. The cap is dry, colored yellow to light orange to brown, and often develops an irregular shape, especially when it has grown closely crowded with adjacent fruit bodies. The mushroom tissue is white with a pleasant odor and a spicy or bitter taste. All parts of the mushroom stain orange with age or when bruised. A mycorrhizal fungus, it fruits singly or in close groups in coniferous or deciduous woodland. It is a choice edible species, although mature specimens can develop a bitter taste, and has no poisonous lookalikes. A 2009 Phylogenetic analysis of European specimens, based on internal transcribed spacer and 5. 8S DNA sequences, indicated that H. repandum specimens form two distinct clades, whose only consistent morphological distinction is cap size.
A comprehensive genetic study published in 2016 found that there are at least four species in the broad concept of H. repandum: two species from southern China, one from Europe and eastern North America, and H. repanda itself from Europe, western North America and northern China and Japan. Although it is missing from Central America, genetic material has been recovered from Venezuela from the Pakaraima diparaimacea, suggesting it migrated there and had changed hosts. The epithet means “bent back” referring to the back margin of the wavy cap. The varietal epithet “white as an egg” has been given several names: sweet tooth, wood hedgehog or hedgehog mushroom. The variety album is known as “white wood” or “the troiggehog mushroom’s troigpig” The species has been shuffled among several genera: Hypothele by French naturalist Jean-Jacques Paulet in 1812; Dentinum by British botanist Samuel Frederick Gray in 1821; Tyrodon by Finnish mycologist Petter Karsten in 1881.
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This page is based on the article Hydnum repandum published in Wikipedia (as of Oct. 29, 2020) and was automatically summarized using artificial intelligence.
