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Western Jack-O'-Lantern

omphalotus olivascens

The Western Jack-O'-Lantern (Omphalotus olivascens) is a fascinating, large, fleshy mushroom native to the Pacific Coast of North America. Known for its brilliant but toxic nature, this mushroom captivates foragers and scientists alike due to its striking appearance and unique ecological traits. It is primarily saprobic, gaining nutrients by decomposing the dead wood of hardwood trees like oaks and eucalyptus. Despite its beauty, it is highly toxic to humans, containing illudin compounds that cause severe gastrointestinal distress if consumed.

Hábitat: Found on decaying wood, stumps, or buried roots of hardwood trees, particularly oaks and eucalyptus.

Aspecto

This mushroom is characterized by a cap measuring 5 to 18 centimeters across, which is initially convex but flattens or becomes funnel-shaped with age. Its coloration ranges from olive-orange to bronze or yellowish-brown, often with metallic or olive overtones. The gills are deeply decurrent, running down the stout, solid stem, and they have a distinct sharp-edged appearance. In complete darkness, these gills emit a faint, ghostly green bioluminescent glow.

ReinoFungiFiloBasidiomycotaClaseAgaricomycetesOrdenAgaricalesFamiliaOmphalotaceaeGéneroOmphalotus
Western Jack-O'-Lantern
Western Jack-O'-Lantern

Categoría

Hongos

Rareza

Common

Peligro

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Snaps

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Datos interesantes

It is frequently mistaken for the delicious, edible chanterelle mushroom, making it a common culprit in wild mushroom poisonings along the US West Coast.

The chemical compound illudin S, extracted from Jack-O'-Lantern mushrooms, has been researched for its potential use in developing targeted anti-cancer drugs.

The glowing effect is caused by the same chemical pathway found in fireflies, though the fungal light shines constantly rather than flashing.

Habilidades especiales

Habilidad

Ghostly Bioluminescence

The gills of the mushroom emit a faint green glow in the dark due to a chemical reaction between the compound luciferin and the enzyme luciferase.

Habilidad

Illudin Toxin Defense

Produces powerful illudin toxins that serve as a chemical deterrent against various mammalian and insect predators.

Habilidad

Lignin Degradation

Secretes robust extracellular enzymes that break down resilient wood compounds like lignin and cellulose, recycling nutrients back into the soil.

Medidas y detalles

Longitud
5-18 cm
Peso
0.05-0.3 kg

Dieta y alimentación

As a saprobic fungus, it feeds by secreting enzymes to externally digest dead hardwood before absorbing the rich organic nutrients.

Alimentos principales

  • Dead oak wood
  • Dead eucalyptus wood
  • Decaying hardwood roots

Conexiones ecológicas

host plant

Coast Live Oak

Quercus agrifolia

Serves as a primary decomposer of dead wood for this dominant California hardwood tree.

eaten by

Pacific Banana Slug

Ariolimax columbianus

Feeds on the flesh and gills of the mushroom despite the presence of toxic illudin compounds.

Rasgos

Aún no hay insignias de rasgos asignadas a este objeto.

También conocido como

Todavía no hay alias listados.

Colecciones

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Seguridad

Peligro

1/5 · Muy bajo

Todavía no hay notas especiales de seguridad.

Preguntas frecuentes

¿Cómo identificar a Western Jack-O'-Lantern?

La forma más fácil de identificar a Western Jack-O'-Lantern es usar la aplicación de identificación de naturaleza Snappit.

¿Cuál es el longitud de Western Jack-O'-Lantern?

5-18 cm

¿Cuál es el peso de Western Jack-O'-Lantern?

0.05-0.3 kg

¿Qué come Western Jack-O'-Lantern?

As a saprobic fungus, it feeds by secreting enzymes to externally digest dead hardwood before absorbing the rich organic nutrients.

¿Dónde se encuentra normalmente Western Jack-O'-Lantern?

Found on decaying wood, stumps, or buried roots of hardwood trees, particularly oaks and eucalyptus.

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