Volvariella

Volvariella is a genus of mushrooms with deep salmon pink gills and spore prints.

Volvariella
V. bombycina
Scientific classification
Kingdom:
Fungi
Division:
Basidiomycota
Class:
Agaricomycetes
Order:
Agaricales
Family:
Pluteaceae
Genus:
Volvariella

Speg. (1898)
Type species
Volvariella argentina
Speg. (1898)

Description

They lack a ring, and have an Amanita-like volva at the stem base. Some species of Amanita look similar, but Amanita has white spores and often have a ring. Since the gills of young Volvariella are white at first, they are more easily mistaken for Amanita. The genus is estimated to contain about 50 species.[1]

Species

Many sources list Volvariella as a member of the Pluteaceae family, but recent DNA studies have revealed that Pluteus and Volvariella evolved separately and have very different DNA. These studies show that Volvariella is very closely related to "schizophylloid" mushrooms like Schizophyllum commune.[2]

Some species of Volvariella are popular edibles in Europe, accounting for 16% of total production of cultivated mushrooms in the world.

Cultivation and edibility

Volvariella volvacea, well known as the "paddy straw mushroom", is cultured in rice straw in the Philippines and Southeast Asia. This species also favors wood chip piles. Unfortunately, it is easy to mistake the death cap mushroom (Amanita phalloides), as well as some other Amanita species, for this edible species due to similarities in appearance. This mistake is the leading cause of lethal mushroom poisoning in the United States. Volvariella and Amanita cannot be distinguished in the early "button stage", that, for many, is considered the best stage to collect Volvariella for consumption. Like Amanita, the paddy straw mushroom has a volva, or universal veil, so called because it is a membrane that encapsulates the entire mushroom when it is young. This structure breaks apart as the mushroom expands, leaving parts that can be found at the base of the stalk as a cup-like structure.

List of species
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References
  • Key to the genus Volvariella
  1. Kirk PM, Cannon PF, Minter DW, Stalpers JA (2008). Dictionary of the Fungi (10th ed.). Wallingford, UK: CABI. p. 727. ISBN 978-0-85199-826-8.
  2. Moncalvo JM, et al. (2002). "One hundred and seventeen clades of euagarics". Molecular Phylogenetics and Evolution. 23 (3): 357–400. doi:10.1016/S1055-7903(02)00027-1. PMID 12099793.
  3. Kaur NJ, Saini MK, Kaur H (2013). "Two new species of agarics from India". Mycosphere. 4 (5): 856–863. doi:10.5943/mycosphere/4/5/1.
  4. Fallahyan F. (1973). "Une nouvelle espèce de Volvaire: Volvaria iranica Fall. " (jpg). Revue de Mycologie (in French). 37 (5): 263.
  5. Szczepka MZ, Sokól S (2000). "Systematyka i biologia Volvariella bombycina (Schaeff.: Fr.) Sing". Acta Biologica Silesiana (in Polish). 35 (52): 208–60 (see p. 210).
  6. Senthilarasu G, Sharma R, Singh SK (2012). "A new species of Volvariella from India". Mycotaxon. 119: 467–76. doi:10.5248/119.467.
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