Cyptotrama nivea
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Physalacriaceae
Genus: Cyptotrama
Species:
C. nivea
Binomial name
Cyptotrama nivea
Singer (1989)
Cyptotrama nivea
View the Mycomorphbox template that generates the following list
Gills on hymenium
Cap is convex
Hymenium is free
Stipe is bare
Ecology is saprotrophic
Edibility is unknown

Cyptotrama nivea also known as Cyptotrama niveum is a species of mushroom producing fungus in the family Agaricaceae.[1][2]

Taxonomy

It was described in 1989 by the German mycologist Rolf Singer who classified it as Cyptotrama niveum[3] however this is now regarded as an orthographic variant and the species is now called Cyptotrama nivea.[2]

Description

Cyptotrama nivea is a very small snow white mushroom with white, unchanging flesh.[3]

Cap: 5mm wide and obtusely convex. The surface is snow white and finely frosted (pruinose) or finely hairy/woolly (sub-tomentose). Gills: Subdecurrent to decurrent, moderately crowded and white. Stem: 1.6cm wide and 1.3mm thick, running equally along the length. The surface is white with a silky, downy coating and a tomentose base. Spores: Ellipsoidal, smooth, hyaline, non-amyloid. 10.5-16.8 x 6.7-9.3 μm. Basidia: 25-31 x 8-13 μm. Four spored. Smell: Indistinct.[3]

Etymology

The specific epithet nivea or niveum derives from the Latin niveus meaning as white as snow.[4]

Habitat and distribution

The specimens studied by Singer were found growing solitary on fallen leaves in Igapó forests along the Igarapé Tarumãzinho river in Brazil.[3]

References

  1. ↑ "Species fungorum - Cyptotrama nivea". www.speciesfungorum.org. Retrieved 2022-07-19.
  2. 1 2 "Mycobank Database - Cyptotrama nivea".
  3. 1 2 3 4 Singer, Rolf (1989). "New taxa and new combinations of Agaricales : (Diagnoses fungorum novorum Agaricalium IV)". Fieldiana. Chicago, Ill: Field Museum of Natural History. 21: 91 – via www.biodiversitylibrary.org.
  4. ↑ Harrison, Lorraine (2012). Latin for Gardeners (PDF). University of Chicago Press. ISBN 978-0-226-00919-3.
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