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Paddy straw mushroom (Volvariella volvacea), photo
Photo
Cultivated

Paddy straw mushroomVolvariella volvacea

Straw mushroom

Volvariella volvacea is an edible mushroom used in Asian cooking that decomposes plant debris. Its young, egg-shaped appearance needs careful identification because it can resemble deadly amanitas.[2][4][7][11][13]

Edible. Eat it cooked. Never eat a wild mushroom identified only from photos.

  • Season in Mexico
  • HabitatPlant debris and compost
  • GrowingHard
  • FamilyPluteaceae

How do you identify Paddy straw mushroom?

Cap
5–12 cm; gray to grayish brown, dry, with radiating silky fibers. Initially conical; later convex or bell-shaped.[1]
Gills
Free from the stem; initially white, then pink and finally brownish pink.[1]
Stem
6–12 cm long and 1–1.5 cm thick; whitish or brown, silky.[1]
Volva
Thick basal sack, brownish gray to nearly black above and whitish below.[1]
Flesh
White; retains its color when sliced.[1]
Spore print
Brownish pink.[1]
Young commercial form
Cultivated specimens are usually harvested at the egg stage: the universal veil encloses the cap and stem.[13]
Variation in cultivated specimens
Studied strains produce whitish fruiting bodies, whitish bodies with a grayish spot, or brownish bodies.[15]

Can you eat Paddy straw mushroom?

It is edible. If you collect wild specimens, have an experienced mycologist confirm their identity before you eat them. Young specimens can resemble deadly amanitas.[2][7][11]

How do you grow Paddy straw mushroom?

Temperature

Colonization30–35 °C

Fruiting28–32 °C

Humidity

Colonization0–90 %

Fruiting0–88 %

Full cycle: 18 days

Light
Indirect

Substrates

  • Rice straw
  • Cotton waste
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How do you cook Paddy straw mushroom?

It is cooked in soups, curries, and stir-fries, including tom yam and the vegetable stir-fry phat phak ruam.[9][10]

Where and when does Paddy straw mushroom grow?

It decomposes wood and plant debris. It occurs in woodchips, compost, gardens, and greenhouses. Records also come from montane cloud forest in San Sebastián del Oeste, Jalisco.[2][12]

It can fruit year-round depending on climate; outdoor North American records usually occur in summer.[1]

It has a worldwide tropical and subtropical distribution. Mexican records include Jalisco.[12][14]

Baja CaliforniaBCSonoraSONChihuahuaCHHCoahuilaCOANuevo LeónNLBaja California SurBCSSinaloaSINDurangoDURZacatecasZACSan Luis PotosíSLPTamaulipasTAMNayaritNAYJaliscoJALAguascalientesAGSGuanajuatoGTOQuerétaroQROHidalgoHGOColimaCOLMichoacánMICEstado de MéxicoMEXCiudad de MéxicoCDMXTlaxcalaTLXVeracruzVERYucatánYUCGuerreroGROMorelosMORPueblaPUETabascoTABCampecheCAMQuintana RooROOOaxacaOAXChiapasCHP
States with records (1/32): Jalisco

See the mushroom map

About the name

Recent classification places Volvariella in Volvariellaceae. Earlier sources include it in Pluteaceae.[1][8]

Fun facts

  • Enciclovida records the Mexican name “hongo de la pulpa de café.”[3]
  • Its broth is used to make mushroom dark soy sauce.[4]
  • It is also sold canned or dried.[4]

Frequently asked questions

Sources

  1. Volvariella volvacea (MushroomExpert.Com)
  2. The Genera Volvariella and Volvopluteus
  3. Hongo de la pulpa de café (Volvariella volvacea)
  4. Volvariella volvacea
  5. Amanita phalloides (MushroomExpert.Com)
  6. Volvopluteus gloiocephalus (MushroomExpert.Com)
  7. Amanita phalloides Mushroom Poisonings — Northern California, December 2016
  8. Phylogeny of the genus Volvariella with the description of one new species and two new records from Oman
  9. Fabrication of CMC-PVA-EGDE hydrogels for maintaining overall postharvest quality of small-size packaged straw mushroom
  10. List of Thai ingredients
  11. USO DE ALGUNOS PRODUCTOS AGROINDUSTRIALES DE LIGNOCELULOSA PARA EL CULTIVO DEL HONGO COMESTIBLE Volvariella volvacea
  12. Catálogo de los hongos de San Sebastián del Oeste, Jalisco, México
  13. Gene Expression Profiling Reveals Large Regulatory Switches between Succeeding Stipe Stages in Volvariella volvacea
  14. Volvariella volvacea (paddy straw mushroom): A mushroom with exceptional medicinal and nutritional properties
  15. Evaluation of Volvariella volvacea Strains for Yield and Diseases/Insect-Pests Resistance Using Composted Substrate of Paddy Straw and Cotton Mill Wastes

Written with AI help from the cited sources. A second model checked every fact against those sources and removed what they did not support.

Image credits

Photos are under free licenses (CC0, CC BY or CC BY-SA).

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