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Larch bolete

Suillus grevillei

A species of Slippery jacks, Also known as Greville's bolete, Elegant bolete

Larch bolete is a vibrant member of the "slippery jack" genus. Like other members of that family, this species sports a slick or slimy cap and has a somewhat bulbous form. Suillus grevillei is also commonly called a "Larch Bolete" because it only associates with larch trees, with which it has a symbiotic relationship.

Cap Diameter:

4 - 12 cm

Odor:

Mildly mushroomy but not distinctive.

General Info About Larch bolete

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Attributes of Larch bolete

Cap Diameter

4 - 12 cm

Height

5 - 10 cm

Cap

Cap 5 - 10 cm across; convex to flatter; golden yellow, rusty, red-brown; surface smooth

Cap Shape

Convex, Flat, Central Bump

Cap Surfaces

Smooth, Slimy or slightly sticky

Stem

Stem 6 - 10 cm long, 1 - 2 cm thick; cylindrical; red-brown; surface smooth

Stem Shapes

Cylindrical

Stem Surfaces

Scaly

Flesh

Lemon-yellow

Ring

With Ring Zone

Spore Print Color

Ocher to olive brown

Odor

Mildly mushroomy but not distinctive.

Body Color

Brown

Yellow

Red

White

Orange

Cream

Flesh Bruises

The flesh or milk does not discolor when bruised or cut.

Growth Form

Gregarious

Nutrient Gathering

Mycorrhizal

Substrate

On soil

You can find Larch bolete by these plants:

Tamarack, European larch, Spruces

Occurence Habitats

Coniferous Woodland

Species Status

Least Concern

Endangered Species

How to Identify Larch bolete

Fruiting Body Immature Fruiting Body Cap

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Habitat of Larch bolete

The larch bolete can be found in woods, bogs, parks, and landscape areas, wherever a larch tree is growing. This fungus exists in a symbiotic relationship with the tree’s roots, helping it absorb water and nutrients while the tree provides the fungus with sugars and amino acids. Fruitbodies appear near the tree's roots.

Distribution Area of Larch bolete

North America,Europe,northern Asia;introduced in Australia and New Zealand

Hunting Values of Larch bolete

Clean the surface mucus thoroughly, only consume after cooking.

Uses of Larch bolete

Larch bolete is recognized for its culinary value, especially in regions where it's locally abundant. It is a sought-after edible mushroom but must be consumed with precautions due to potential adverse reactions in some individuals. Proper preparation, including thorough cooking, is essential to mitigate any risks. Its collection peaks seasonally, adding to its allure among foragers. However, consumers should be aware of the safety measures required before indulgence.

Scientific Classification of Larch bolete

Phylum

Club fungi

Class

Mushroom-forming fungi

Order

Boletes and allies

Family

Suillaceae

Genus

Slippery jacks

Toxicity and Edibility of Larch bolete

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Is Larch bolete Toxic?

Larch bolete can cause allergies in certain individuals, with symptoms ranging from minor skin rashes and itching to severe anaphylaxis. Physical reactions also include mouth swelling, stomach problems, and respiratory issues. While these effects largely differ, they can potentially be life-threatening in extremely sensitive people.

Type of poisoning

Allergic

Toxic Severity

Low toxicity

Incubation Period

0.5-24 hours

Poisoning Symptoms

Individual responses to a mushroom allergy can differ widely, with reactions spanning from slight to intense, including skin rashes, itching, swelling in the mouth, stomach upset, and respiratory issues. In severe cases, it can lead to anaphylaxis, which requires immediate medical attention.

Edibility of Larch bolete

Larch boletes are edible, when thoroughly cooked, but are not particularly sought-after, especially since they are also known to cause mild upset stomachs in some people. The cap and pore surface must be removed, as both of these are very slimy, unpalatable, and may be the source of the gastric distress.

Similar Species to Larch bolete

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Tips for Finding Larch bolete

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When is the Best Time to Find Larch bolete

Search for larch bolete in late summer to autumn. Ideal conditions are after rain when the soil is moist but not waterlogged. Cooler temperatures, around 50-60°F (10-15°C), increase likelihood of finding them.

What are the Ideal Soil Conditions for Larch bolete

Acidic to neutral, well-drained soils.

What are Some Tips for Finding Larch bolete

Look for larch bolete in environments with a high density of larch trees.
Search on the ground among fallen larch needles and debris.
Inspect clearings or edges of woodland where larch trees grow.
Focus on well-drained areas where soil is acidic to neutral.

How to Clean and Preserve Larch bolete

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How to Clean Larch bolete

To clean larch bolete, gently brush off any debris from the cap, and wipe with a damp cloth. Avoid soaking, as larch bolete tend to absorb water. Handle carefully to maintain integrity. Wear gloves if susceptible to mushroom allergies.

Tips on Dry Preservation of Larch bolete

Drying Methods

Dehydrator Drying, Oven Drying, Air Drying

Drying Duration

12 - 18 months

Store in airtight containers, in cool, dark, and dry conditions, away from direct sunlight.

Dehydrator drying: Efficient for high moisture content, maintains consistent temperature and airflow.

Oven drying: Set low temperature, keep door ajar for ventilation and moisture escape.

Air drying: Use in climates with low humidity, spread thinly, good air circulation required.

Tips on Freezing Preservation of Larch bolete

Freezing Methods

Blanching Before Freezing

Freezing Duration

10 - 12 months

Blanching before freezing: Inactivates enzymes, preserving color, texture.

Tips on Refrigeration Preservation of Larch bolete

Refrigerating Methods

Paper Bag Storage, Plastic Wrap Storage, Cardboard Box Storage, Cloth Wrapping

Temperature

1 - 4 ℃

Refrigerating Humidity

85 - 95 %

Refrigerating Duration

4 - 10 days

Paper Bag Storage: Store in paper bags to absorb excess moisture and allow some air circulation.

Plastic Wrap Storage: Cover with breathable plastic wrap to protect while maintaining airflow.

Cardboard Box Storage: Use a lightly sealed cardboard box to provide darkness and reduce moisture accumulation.

Cloth Wrapping: Wrap in a damp cloth to prevent drying out and maintain fresh texture.

Common Questions People Also Ask

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More Mushrooms That Are Similar to Larch bolete

Slippery jack

Suillus luteus

Fat jack

Suillus caerulescens