Superregnum: Eukaryota
Regnum: Fungi
Subregnum: Dikarya
Divisio: Basidiomycota
Subdivisio: Agaricomycotina
Classis: Agaricomycetes
Ordo: Auriculariales
Familia: Tremellodendropsidaceae
Genus: Tremellodendropsis
Tremellodendropsis tuberosa, commonly known as the ashen coral,[1] is a species of coral fungus in the family Tremellodendropsidaceae found in Europe, North America, South America, and Asia.
Taxonomy
The species was first described as Merisma tuberosum by Scottish mycologist Robert Kaye Greville in 1825.[2] D.A. Crawford transferred it to its current genus Tremellodendropsis in 1954, and made it the type species. It is classified in the subgenus Tremellodendropsis, which contains species with basidia that are partially partitioned (septate) at their apices; other species in this subgenus include Tremellodendropsis pusio and T. flagelliformis.[3]
Description
The fruit body is a coral-shaped structure ranging in height from 3 to 6 cm (1+1⁄8 to 2+3⁄8 in) and up to 5 cm (2 in) in diameter. The arms can be either unbranched, or sparsely branched, and the tips are rounded and frequently flattened. The fruit body is whitish, but tends to turn brownish in maturity. The tough stem is white, as is the flesh, and is covered with whitish mycelia at the base.[4][5]
In deposit, the spores are white. Spores are elongated-elliptical or spindle-shaped, have a smooth surface, and measure 13–20 by 4.5–6.5 μm. The basidia (spore-bearing cells) often have longitudinal partitions at their apices.[5]
Ramaria pallida looks superficially similar, but is light brown except for the whitish stalk base.[4]
Habitat and distribution
Tremellodendropsis tuberosa
View the Mycomorphbox template that generates the following list
Mycological characteristics
Smooth hymenium
No distinct cap
Hymenium attachment is irregular or not applicable
Stipe is bare
Spore print is white
Edibility is unknown
The fruit bodies of Tremellodendropsis tuberosa grow on the ground in woods or clearings, singly or in groups.[5] The fungus is known to occur in north temperate regions, including Europe[1] and North America,[5] and it is also found in South Brazil and Borneo.[3]
References
Buczacki, S.; Shields, C.; Ovenden, D. (2012). Collins Fungi Guide: The Most Complete field Guide to the Mushrooms and toadstools of Britain & Ireland. HarperCollins UK. p. 2262. ISBN 978-0-00-741343-0.
"Tremellodendropsis tuberosa (Grev.) D.A. Crawford 1954". MycoBank. International Mycological Association. Retrieved 2012-10-21.
Crawford, D.A. (1954). "Studies in New Zealand Clavariaceae. I" (PDF). Transactions of the Royal Society of New Zealand. 82: 617–631.
Davis, R.M.; Sommer, R.; Menge, J.A. (2012). Field Guide to Mushrooms of Western North America. University of California Press. pp. 302–303. ISBN 978-0-520-95360-4.
Arora, David (1986). Mushrooms Demystified: A Comprehensive Guide to the Fleshy Fungi. Berkeley, California: Ten Speed Press. pp. 643–644. ISBN 0-89815-169-4.
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