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Matte Jack

Suillus lakei

A species of Slippery jacks, Also known as Lake's bolete, Lake's slipperycap

The caps of the matte Jack (Suillus lakei) are uniquely pocked and have a coral-like appearance and can grow up to 15 cm in width in a semi-bell shaped form. It is predominately cinnamon-colored, with the exception being the gill, which is pale yellow. These mushrooms are found exclusively under Douglas Fir.

Cap Diameter:

4 - 13 cm

Odor:

Mildly mushroomy but not distinctive.

General Info About Matte Jack

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Attributes of Matte Jack

Cap Diameter

4 - 13 cm

Height

3 - 7 cm

Cap

Cap 5 - 15 cm across; convex, flat; reddish brown, yellowish to tan, whitish

Cap Shape

Convex, Flat

Cap Surfaces

Fibrillose-scaly, Slimy or slightly sticky

Gills

Decurrent

Stem

Stem 3 - 8 cm long, 1 - 3 cm thick; yellow, whitish to yellowish or reddish

Stem Shapes

Club Shaped

Stem Surfaces

Fibrillose

Flesh

Yellowish, pinkish; bluish or green when exposed

Ring

With Ring

Spore Print Color

Cinnamon brown, brownish orange

Odor

Mildly mushroomy but not distinctive.

Body Color

Brown

Yellow

Red

White

Flesh Bruises

Discolor to brown

Growth Form

Solitary, Scattered

Nutrient Gathering

Mycorrhizal

Substrate

On soil

You can find Matte Jack by these plants:

Common douglas-fir

Occurence Habitats

Coniferous Woodland

Species Status

Least Concern

Endangered Species

How to Identify Matte Jack

Fruiting Body Cap Pores

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Habitat of Matte Jack

The habitat of the matte Jack is restricted only to the Douglas fir (Pseudotsuga menziesii) range. This fungus exists in a symbiotic relationship with Douglas fir roots, helping the tree absorb water and nutrients while the tree provides the fungus with sugars and amino acids. Its fruitbodies will appear beneath the host tree.

Hunting Values of Matte Jack

Surface slime must be thoroughly cleaned, and can only be eaten after cooking.

Uses of Matte Jack

Matte Jack is an edible mushroom, but it requires careful handling due to potential risks. It's valued by foragers and enjoyed when properly prepared, typically during its growing season. While not the most popular, it holds a place in culinary practices among those familiar with its preparation. Consumers should be aware of the precautions necessary to ensure safe consumption, as improper preparation can pose health risks.

Scientific Classification of Matte Jack

Phylum

Club fungi

Class

Mushroom-forming fungi

Order

Boletes and allies

Family

Suillaceae

Genus

Slippery jacks

Similar Species to Matte Jack

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Tips for Finding Matte Jack

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When is the Best Time to Find Matte Jack

Search for matte Jack during late summer through fall after rain. They thrive when daytime temperatures are between 50-70°F (10-21°C) and the ground is noticeably moist.

What are the Ideal Soil Conditions for Matte Jack

Well-drained, often with organic material.

What are Some Tips for Finding Matte Jack

Search in and around Douglas-fir tree forests, focusing near the base of the trees.
Look for areas with well-drained soil that is rich in organic matter.
Observe the ground for scattered or gregarious groupings of matte Jack.
Gently move aside any forest debris such as fallen leaves or needles that may cover matte Jack.
Use a small, blunt tool to carefully dig around suspected areas without damaging the mycelium.

How to Clean and Preserve Matte Jack

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How to Clean Matte Jack

To clean matte Jack, gently remove the brown sticky skin. Careful handling is crucial to maintain the integrity of matte Jack, making sure to avoid the slimy cuticle.

Tips on Dry Preservation of Matte Jack

Drying Methods

Dehydrator Drying, Oven Drying, Air Drying

Drying Duration

6 - 12 months

Store in airtight containers, in a cool, dark, dry place with low humidity.

Dehydrator drying: Efficient moisture removal, maintains quality, ideal for high water content.

Oven drying: Consistent heat supply, can be set to low temperatures, good for large batches.

Air drying: Natural method, no energy cost, best in dry, warm climates with good air circulation.

Tips on Freezing Preservation of Matte Jack

Freezing Methods

Blanching Before Freezing

Freezing Duration

10 - 12 months

Blanching before freezing: Blanch to reduce enzyme action preserving texture and aroma.

Tips on Refrigeration Preservation of Matte Jack

Refrigerating Methods

Paper Bag Storage, Cloth Wrapping, Original Packaging Storage, Spread-Out Storage

Temperature

3 - 4 ℃

Refrigerating Humidity

90 - 95 %

Refrigerating Duration

5 - 7 days

Paper Bag Storage: Store mushrooms in paper bags to allow for airflow and moisture absorption, reducing spoilage.

Cloth Wrapping: Encase mushrooms in a damp cloth, then place in a plastic bag with holes to maintain humidity and limit drying out.

Original Packaging Storage: Keep mushrooms in their original container if ventilated, to balance humidity and airflow.

Spread-Out Storage: Place mushrooms in a container with dividers, preventing them from crushing each other and maintaining shape.

Common Questions People Also Ask

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More Mushrooms That Are Similar to Matte Jack

Hollow bolete

Suillus cavipes

Rosy larch bolete

Suillus ochraceoroseus