Pleurotus parsonsiae

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Pleurotus parsonsiae
File:Pleurotus parsonsiae from iNaturalist photo 30654113.jpg
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Pleurotaceae
Genus: Pleurotus
Species:
P. parsonsiae
Binomial name
Pleurotus parsonsiae
G. Stev., 1964
Synonyms

Pleurotus salignus sensu Colenso; fide Segedin & Pennycook (2001)
Pleurotus salignus sensu Massee; fide Buchanan & Ryvarden (2000)

Pleurotus parsonsiae
File:Gills icon.pngGills on hymenium
File:Offset cap icon.svg File:Depressed cap icon.svgCap is offset or depressed
File:Decurrent gills icon2.svgHymenium is decurrent
File:Bare stipe icon.svgStipe is bare
Spore print is white
File:Saprotrophic fungus.svg File:Parasitic fungus.svgEcology is saprotrophic or parasitic
File:Mycomorphbox Edible.pngEdibility is edible

Pleurotus parsonsiae, also known as velvet oyster mushroom, is a species of edible fungus in the genus Pleurotus, endemic to New Zealand.[1]

Description

General

  • The cap grows from 7 to about 12 cm, creamy fawn, darker when wet or grey yellow, darker towards margin, paler towards stipe, drying ochraceous, orbicular with margin, down-rolled at first and later splitting. It is dry, smooth, matt to finely fibrillose, hence the "velvet" common name.
  • The flesh is creamy white.
  • The stem is short, sometimes absent, from 8 by 8 mm., to 1 by1.5 cm.
  • The gills are decurrent to deeply decurrent, creamy, moderately crowded, thin, deep, with margins becoming lacerate.
  • The spore print is white, becoming creamy.[1]

Microscopic characteristics

  • The spores are around 9-11 μm by 4-4.5 μm, non-amyloid, thin-walled.[1]

Distribution, habitat & ecology

This mushroom is saprobic on dead wood, preferring Sophora sp., Leptospermum scoparium, Eucalyptus sp., andCordyline australis. It is endemic to New Zealand.[1] The phylogenetic research of Pleurotus genus has classified P. parsonsiae as incertae sedis with regards to clades and intersterility groups.[2]

Human impact

This mushroom is edible and it can be cultivated. Grow kits and cultures are sold in New Zealand as an alternative to illegal invasive species of Pleurotus.[3][4]

References

  1. 1.0 1.1 1.2 1.3 "VIRTUAL MYCOTA: NZ Fungi Identification: Pleurotus parsonsiae". virtualmycota.landcareresearch.co.nz. Retrieved 2023-02-26.
  2. Segedin, BP; Buchanan, PK; Wilkie, JP (1995). "Studies in the agaricales of New Zealand: New species, new records and renamed species of Pleurotus (Pleurotaceae)". Australian Systematic Botany. 8 (3): 453–482. doi:10.1071/SB9950453.
  3. "Species of Mushrooms Cultivated in NZ". MycoLogic. Retrieved 2023-02-26.
  4. "The Importance of Keeping it Native » Matariki Mushrooms". Matariki Mushrooms. 2021-04-29. Retrieved 2023-02-26.