Tremella compacta
| Tremella compacta | |
|---|---|
Scientific classification 
| |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Tremellomycetes |
| Order: | Tremellales |
| Family: | Tremellaceae |
| Genus: | Tremella |
| Species: | T. compacta
|
| Binomial name | |
| Tremella compacta Möller (1895)
| |
Tremella compacta is a species of fungus in the order Tremellales. It produces large, ochraceous yellow, compactly lobed, cartilaginous-gelatinous basidiocarps (fruit bodies) on dead branches of broadleaved trees. It was originally described from Brazil and is distributed in northern South America, Central America, and the Caribbean.
Taxonomy
[edit | edit source]The species was first published in 1895 by German mycologist Alfred Möller based on a collection from Blumenau. As a probable parasite of Stereum fruit bodies, Tremella compacta belongs in the genus Naematelia, but the species has not as yet undergone DNA sequencing to confirm this.
Description
[edit | edit source]Fruit bodies are tough-gelatinous, compactly lobed to cerebriform (brain-like), 35 to 60 mm across, the lobes hollow, ochraceous to apricot or pale orange-brown when fresh, drying hard and rigid. Microscopically, the hyphae have clamp connections. The basidia are tremelloid (ellipsoid, with oblique to vertical septa) and normally stalked, 2 to 4-celled, 10 to 16 by 7.5 to 14 μm. The basidiospores are ellipsoid, smooth, 7 to 9.5 by 5 to 6.5 μm.[1][2]
Similar species
[edit | edit source]Naematelia aurantia occurs on Stereum hirsutum on broadleaved trees but typically has more leaf-like lobes and is bright yellow to yellow-orange.[3]
Habitat and distribution
[edit | edit source]Tremella compacta occurs on broadleaved trees and appears to be a parasite on fruit bodies of Stereum species. The type collection was from Brazil, but it has also been reported from Belize,[2] the Dominican Republic,[4] Trinidad, Puerto Rico,[1] Colombia, and Venezuela.[5]
References
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