Xerocomus subtomentosus
| Xerocomus subtomentosus | |
|---|---|
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| Scientific classification | |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Boletales |
| Family: | Boletaceae |
| Genus: | Xerocomus |
| Species: | X. subtomentosus |
| Binomial name | |
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Xerocomus subtomentosus (L.) Quél. (1888) |
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| Synonyms | |
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Boletus subtomentosus L. (1753) |
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| Xerocomus subtomentosus | |
|---|---|
| Mycological characteristics | |
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pores on hymenium |
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cap is convex |
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stipe is bare |
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spore print is olive-brown |
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edibility: edible |
Boletus subtomentosus L. (1753)
Boletus crassipes Schaeff., 1774
Boletus cupreus Schaeff.,1774
Leccinum subtomentosum (L.) Gray, 1821
Boletus lanatus Rostk., 1844
Boletus pannosus Rostk., 1844
Boletus striipes Fr., 1874
Boletus leguei Boud., 1894
Xerocomus subtomentosus, commonly known as suede bolete, brown and yellow bolet, boring brown bolete or yellow-cracked bolete, is a species of bolete fungus in the family Boletaceae. The fungus was initially described by Carl Linnaeus in 1753 and known for many years as Boletus subtomentosus. It is edible, though not as highly regarded as other bolete mushrooms.
It occurs throughout Eurasia, North America and Australia and grows with a wide range of hardwood and conifer trees. It forms symbiotic ectomycorrhizal associations with living trees by enveloping the tree's underground roots with sheaths of fungal tissue. The fungus produces spore-bearing fruit bodies. The olive to tan fruit body cap is up to 10 cm (4 in) in diameter and has a distinctive velvety surface. Like other boletes, it has tubes extending downward from the underside of the cap, rather than gills; spores escape at maturity through the tube openings, or pores. The pore surface is yellow and bruises blue. The stipe, or stem, measures up to 8 cm (3 in) tall and 2 cm (0.8 in) thick.
Xerocomus subtomentosus was first described in 1753 by the father of taxonomy Carl Linnaeus as Boletus subtomentosus. The starting date of fungal taxonomy had been set as January 1, 1821, to coincide with the date of the works of the 'father of mycology', Swedish naturalist Elias Magnus Fries, which meant that the name required sanction by Fries (indicated in the name by a colon) to be considered valid, as Linnaeus' work preceded this date. It was thus written Boletus subtomentosus L.:Fr. However, a 1987 revision of the International Code of Botanical Nomenclature set the starting date at May 1, 1753, the date of publication of Linnaeus' seminal work, the Species Plantarum. Hence the name no longer requires the ratification of Fries' authority.
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