Cyptotrama asprata
| Cyptotrama asprata | |
|---|---|
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| Scientific classification | |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Agaricales |
| Family: | Physalacriaceae |
| Genus: | Cyptotrama |
| Species: | C. asprata |
| Binomial name | |
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Cyptotrama asprata (Berk.) Redhead & Ginns (1980) |
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| Synonyms | |
| Cyptotrama asprata | |
|---|---|
| Mycological characteristics | |
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gills on hymenium |
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cap is convex |
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hymenium is decurrent |
 
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stipe has a ring or is bare |
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spore print is white |
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ecology is saprotrophic |
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edibility: unknown |
stipe has a ring
Cyptotrama asprata (alternatively spelled aspratum), commonly known as the golden-scruffy collybia, is a saprobic species of mushroom in the family Physalacriaceae. Widely distributed in tropical regions of the world, it is characterized by the bright orange to yellow cap that in young specimens is covered with tufts of fibrils resembling small spikes. This fungus has had a varied taxonomical history, having been placed in fourteen genera before finally settling in Cyptotrama. This species is differentiated from several other similar members of genus Cyptotrama by variations in cap color, and spore size and shape.
This species was first described from Ceylon by English naturalist Miles Joseph Berkeley in 1847; soon after (1852), specimens were collected from South Carolina USA. Later, the fungus was described under a variety of names: Lentinus chrysopeplus from Cuba;Agaricus sabriusculus and Agaricus lacunosa from New York;Collybia lacunosa from Michigan; and Omphalia scabriuscula in Connecticut. As Canadian mycologists Redhead and Ginns explain in a 1980 article on the species, since its original 1847 description, C. asprata has been given 28 names, and placed in 14 different genera.
The cap is 0.6 to 2.7 cm (0.24 to 1.06 in) in diameter, convex to cushion-shaped. The cap surface is dry, and younger specimens are covered with characteristic spikes; as the spikes break up with age, they tend to look more hairy or woolly. Older specimens typically have the surface features worn off. The cap margin tends to be rolled inwards when young, gradually becoming straight with maturity. The color of the cap is bright or pale yellow, increasing in intensity towards the center of the cap. C. asprata has a web-like ring that soon disappears.
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