Wrinkled Cortinarius

Cortinarius caperatus, commonly known as the blackish webcap, is a member of the Cortinariaceae family within the order Agaricales. This mushroom is recognized for certain distinctive features that characterize it and has garnered interest among mycologists and fungal enthusiasts.

Taxonomy

• Kingdom: Fungi
• Phylum: Basidiomycota
• Class: Agaricomycetes
• Order: Agaricales
• Family: Cortinariaceae
• Genus: Cortinarius
• Species: C. caperatus

Morphology

Cap

• Shape: Convex to flat with age.
• Size: Typically reaches a diameter of 5 to 10 cm.
• Surface: Smooth to slightly sticky when moist; the color ranges from brown to dark brown, often with darker spots.
• Margin: Often has a slightly striate edge and may become more wavy with age.

Gills

• Attachment: The gills are attached to the stem and are moderately spaced.
• Color: Initially pale yellow to amber, they turn darker as the spores mature.

Stem

• Shape: Cylindrical and often bulbous at the base.
• Size: Can be about 5 to 12 cm tall.
• Surface: The stem may have a fibrous texture and displays a yellow to brown coloration, often exhibiting a glutinous coating, particularly when damp.

Spore Print

• Color: The spore print is typically brown, which is a characteristic trait of many members of the Cortinarius genus.

Ecology

Cortinarius caperatus is commonly found in temperate forests, often growing in association with coniferous trees, particularly in pine and spruce forests. It forms ectomycorrhizal relationships, which means it thrives by forming beneficial associations with the roots of trees.

Distribution

This species is widely distributed across Europe and parts of North America. It is usually found in the autumn months, from September to November, depending on the region and climate.

Edibility

Cortinarius caperatus is considered to be a choice edible mushroom; however, there can be confusion with other species in the Cortinarius genus, some of which may be toxic. It is advisable to harvest this mushroom with caution and ensure proper identification before consumption.

Identification Tips

• Look for the distinctive cap and stem characteristics.
• The spore print color can be a useful identification tool.
• Always consider the habitat in which it is found, as the presence of associated tree species can assist in confirming its identity.

Conservation

As with many wild mushrooms, habitat preservation is essential for sustaining populations of Cortinarius caperatus. Changes in forest management practices, pollution, and climate change can impact the conditions necessary for its growth.

Conclusion

Cortinarius caperatus is a fascinating fungus that captures the interest of mycologists and nature lovers alike. With its unique features and ecological role, it contributes to the biodiversity of forest ecosystems. Always exercise caution and refer to reliable sources when foraging for wild mushrooms.