Tremella roseolutescens

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Tremella roseolutescens
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Basidiomycota
Class:	Tremellomycetes
Order:	Tremellales
Family:	Tremellaceae
Genus:	Tremella
Species:	T. roseolutescens
Binomial name
*Tremella roseolutescens* Bandoni & J. Carranza (1996)

Tremella roseolutescens is a species of fungus in the family Tremellaceae. It produces rose-pink to salmon, pustular, gelatinous basidiocarps (fruit bodies) and is parasitic on other fungi on dead attached branches of broad-leaved trees. It was originally described from Costa Rica.

Taxonomy

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Tremella roseolutescens was first published in 1996 by American mycologist Robert Bandoni and Costa Rican mycologist Julieta Carranza based on collections made in Costa Rica.^[1] The species is considered to be close to Tremella mesenterica, the type species of the genus, and hence belongs in Tremella sensu stricto.^[1]^[2]

Description

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Fruit bodies are gelatinous, rose-pink to salmon, up to 10 mm across, and pustular to cerebriform (brain-like). Microscopically, the basidia are tremelloid (globose to ellipsoid, with oblique to vertical septa), 4-celled, 20 to 27 by 18 to 27 μm. The basidiospores are globose to subglobose, smooth, 11 to 15 by 9 to 11.5 μm.^[1]

Similar species

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Tremella salmonea is similarly coloured, but was described from China and has larger basidia and basidiospores.^[2] Tremella rosea is also pink, but was described from Austria and has smaller basidia and basidiospores.^[3]

Habitat and distribution

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Tremella roseolutescens is a parasite on lignicolous fungi, but its host is unknown. It was originally described from dead, attached branches of an Inga species.^[1]

The species is currently known from Costa Rica and Belize.^[4]

References

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^ ^a ^b ^c ^d Bandoni RJ, Carranza J, Bandoni A (1996). "Four new species of Tremella (Tremellales: Basidiomycotina) from Costa Rica". Rev. Biol. Trop. 44 (Suppl. 4): 15–24.
^ ^a ^b Zhao Y, Liu X, Bai F (2019). "Four new species of Tremella (Tremellales, Basidiomycota) based on morphology and DNA sequence data". MycoKeys (47): 75–95. doi:10.3897/mycokeys.47.29180. PMC 6403202. PMID 30853836.
^ von Höhnel F (1903). "Mycologische Fragmente". Annales Mycologici. 1 (5): 391–414.
^ Roberts P (2008). "Heterobasidiomycetes from Belize". Kew Bulletin. 63 (1): 87–99. doi:10.1007/s12225-007-9006-6. JSTOR 20443411.

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