The most distinctive feature of ink stain bolete is its dark bruising. As suggested by its name, handling any part of this mushroom causes inky blue-black stains to appear. Even the mycelium of this mushroom turns brown when handled.
Cap Diameter:
3 - 11 cm
Odor:
Mildly mushroomy but not distinctive.
In This Article
Attributes
Toxicity and Edibility
Similar Species
Tips for Finding
Clean and Preserve
Common Questions
General Info About Ink stain bolete
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Attributes of Ink stain bolete
Cap Diameter
3 - 11 cm
Height
4 - 10 cm
Cap
Cap up to 8 cm in diameter; convex, becoming flatter; pale to dark brown, sometimes flushed reddish or olive; smooth
Cap Shape
Convex
Cap Surfaces
Smooth, Velvety
Stem
Long and slender; yellow at the top, brown to purple-brown below
Stem Shapes
Cylindrical
Stem Surfaces
Smooth
Flesh
Pale yellow; immediately turns blackish-blue when handled
The ink stain bolete is most commonly found in woodlands near oak and beech trees, as well as in parklands and gardens. It's a terrestrial species found near the roots of trees, where it exists in a symbiotic relationship in which the two species feed each other essential nutrients.
Distribution Area of Ink stain bolete
Eastern North America,Europe,Northern Africa,Central and northern South America,northern Asia
Hunting Values of Ink stain bolete
According to some studies, this mushroom is known to accumulate the heavy metal arsenic. It's best not to collect these from roadsides or consume in large quantities.
Uses of Ink stain bolete
Ink stain bolete is a mushroom that can be consumed but with necessary precautions. It has a collection value among foragers, particularly during its growing season. While not the most popular, it's used in culinary practices by those familiar with its preparation. Care must be taken to correctly identify and prepare ink stain bolete, as improper handling could pose health risks. Consumers should always consult experienced mycologists or refer to authoritative guides before consumption.
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Is Ink stain bolete Toxic?
The ink stain bolete is considered a poisonous mushroom. One study reports that this bolete tends to hyperaccumulate arsenic - a natural component that is extremely poisonous to humans. Due to the potential risks, the ink stain bolete should not be ingested.
Similar Species to Ink stain bolete
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Tips for Finding Ink stain bolete
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When is the Best Time to Find Ink stain bolete
Search for ink stain bolete after heavy rainfall, as these conditions spur their growth. Ideal months are late spring through to autumn when the ground is damp and the weather is humid.
What are the Ideal Soil Conditions for Ink stain bolete
Moist, well-drained, forest soils.
What are Some Tips for Finding Ink stain bolete
Search in broadleaf forests, especially in places dominated by beech and oak.
Look around the base of hardwood trees, as these are the common host locations for ink stain bolete.
Investigate slightly off-path areas where the forest floor is undisturbed and natural debris accumulates.
Check areas with well-draining soil after a rain, as moisture can encourage fungal growth.
Use gentle movements while searching leaf litter to uncover any hidden specimens of ink stain bolete.
How to Clean and Preserve Ink stain bolete
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How to Clean Ink stain bolete
To clean ink stain bolete, use a gentle shower rather than soaking. Alternatively, rinse ink stain bolete in a colander, spray off dirt, and dry. Avoid prolonged water exposure.
Tips on Dry Preservation of Ink stain bolete
Drying Methods
Dehydrator Drying, Oven Drying, Air Drying
Drying Duration
6 - 12 months
Store in a cool, dry place with airtight containers to prevent moisture reabsorption.
Dehydrator drying: Uniform heat circulation ensures thorough drying without spoilage.
Oven drying: Low temperatures with door ajar for moisture escape and even drying.
Air drying: Natural process, suitable for low-humidity areas with good airflow.
Tips on Freezing Preservation of Ink stain bolete
Freezing Methods
Blanching Before Freezing
Freezing Duration
10 - 12 months
Blanching before freezing: Immerses briefly in hot water to deactivate enzymes.
Tips on Refrigeration Preservation of Ink stain bolete
Refrigerating Methods
Paper Bag Storage, Perforated Plastic Bag Storage, Cloth Wrapping, Container with Absorbent Lining
Temperature
1 - 4 ℃
Refrigerating Humidity
90 - 95 %
Refrigerating Duration
3 - 5 days
Paper Bag Storage: Store in paper bags to allow breathability, mitigating moisture buildup which can cause spoilage.
Perforated Plastic Bag Storage: Use perforated plastic bags to balance humidity, prevent dehydration, and reduce condensation.
Cloth Wrapping: Wrap in a damp paper towel to maintain humidity while preventing direct contact with moisture.
Container with Absorbent Lining: Line a container with paper towels, placing the mushrooms on top; the paper absorbs excess moisture.
Common Questions People Also Ask
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