Galiella rufa
| Galiella rufa | |
|---|---|
 |
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| Scientific classification | |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Pezizomycetes |
| Order: | Pezizales |
| Family: | Sarcosomataceae |
| Genus: | Galiella |
| Species: | G. rufa |
| Binomial name | |
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Galiella rufa (Schwein.) Nannf. & Korf (1957) |
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| Synonyms | |
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Bulgaria rufa Schwein. (1832) |
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Bulgaria rufa Schwein. (1832)
Gloeocalyx rufa (Schwein.) Sacc. (1913)
Galiella rufa, commonly known as the rubber cup, the rufous rubber cup, or the hairy rubber cup, is a species of fungus in the family Sarcosomataceae. The fungus produces cup-shaped fruit bodies that typically grow in clusters on branches and exposed portions of buried wood throughout eastern and Midwest North America and in Malaysia. The fruit bodies have the texture of tough, gelatinous rubber, and have a rough, blackish-brown, felt-like outer surface and a smooth reddish-brown inner surface. Although generally considered inedible by North American mushroom field guides, it is commonly consumed in Malaysia. The fungus produces several chemicals with a variety of bioactive properties.
The species was originally named Bulgaria rufa in 1832 by Lewis David de Schweinitz, based on material collected from Bethlehem, Pennsylvania. In 1913, Pier Andrea Saccardo transferred it to the genus Gloeocalyx as defined by George Edward Massee in 1901 (a genus now synonymous with Plectania) due to its hyaline (translucent) spores.Richard Korf made it the type species of his newly created Galiella in 1957, a genus that encompasses bulgarioid species (those with a morphology similar to those in Bulgaria) with spores that feature surface warts that are made of callose-pectic substances that stain with methyl blue dye.
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