A species of Cortinar, Also known as Red-gilled webcap
The subdued yellow or beige caps of the surprise webcap (Cortinarius semisanguineus) do indeed hide a surprise - underneath the cap, this mushroom boasts gorgeous, ruby or maroon-red gills. While not considered edible, the surprise webcap is still sought-after - it can be used to produce a deep and lovely red-brown dye.
Cap Diameter:
3 - 7 cm
Odor:
Mildly mushroomy, with a hint of radish.
In This Article
Attributes
Toxicity and Edibility
Similar Species
Tips for Finding
Clean and Preserve
Common Questions
General Info About Surprise webcap
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Attributes of Surprise webcap
Cap Diameter
3 - 7 cm
Height
4 - 9 cm
Cap
Cap 1.5 - 7 cm across; hemispherical, flat to shallowly umbonate; yellow-brown to olive-brown; surface with finely silky-fibrous
Cap Shape
Convex, Bell-shaped, Flat, Central Bump
Cap Surfaces
Fibrillose-scaly
Gills
Attached, free; close; blood-red, rusty
Gill Attachment
Attached
Stem
Stem 2.5 - 10 cm long, 1.5 cm thick; ocher to yellow-brown; with cobwebby veil remains
Stem Shapes
Cylindrical
Stem Surfaces
Smooth to slightly fibrous
Flesh
Whitish or pale yellowish
Ring
Rusty
Ring
With Ring Zone
Spore Print Color
Rusty brown
Odor
Mildly mushroomy, with a hint of radish.
Body Color
Brown
Yellow
Red
Flesh Bruises
The flesh or milk does not discolor when bruised or cut.
The surprise webcap is primarily found in coniferous forests, including spruce plantations, and some mixed woodlands. Fruitbodies grow up from the ground, often in mossy areas, above the roots of a host conifer tree. This fungus feeds in a symbiotic relationship with the tree’s roots, helping it absorb water and nutrients while the tree provides it sugars and amino acids.
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Is Surprise webcap Toxic?
Surprise webcap potentially contains dangerous toxins that could be harmful if consumed. It closely resembles certain red Cortinarius species known to contain the toxin orellanine, which can damage human kidneys and liver. Determining precise species within the Cortinarius genus is challenging due to its vastness and overlapping characteristics. Found mycorrhizal with conifers, especially pines, it's commonly seen alone or scattered, often in moss, during summer and fall across North America.
Toxins type
Orellanine
Type of poisoning
Nephrotoxic
Toxic Severity
High toxicity
Incubation Period
2-17 days, 4-24 hours with potential early symptoms
Poisoning Symptoms
Intense thirst, parched mouth, aching head, renal discomfort, elevated urea, organ damage, high blood pressure, late stage uremic vomiting, liver and kidney destruction, transparent urine post kidney failure.
Is Surprise webcap Toxic to Dogs?
Surprise webcap is thought to contain the toxic substance Orellanine, which is poisonous to dogs. Seek immediate veterinary assistance if your dog eats this mushroom since initial effects common to most mushroom poisonings can be signs of organ failure and may result in death after several days. Initial symptoms may include nausea, vomiting, drooling, diarrhea, and gastrointestinal discomfort.
Similar Species to Surprise webcap
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Tips for Finding Surprise webcap
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What are the Ideal Soil Conditions for Surprise webcap
Moist, well-drained, often acidic.
What are Some Tips for Finding Surprise webcap
Focus on pine forests with damp, mossy areas as these are prime habitats for surprise webcap.
Look for surprise webcap around the base of pine trees where the soil tends to be well-drained and moist.
Search in scattered groupings, as surprise webcap may grow alone or with few others, not typically in large clusters.
Inspect moss-covered areas thoroughly, as surprise webcap often emerges from moss rather than bare soil.
How to Clean and Preserve Surprise webcap
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Common Questions People Also Ask
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