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Spring king bolete

Boletus rex-veris

A species of Boletus

The beautiful spring king bolete is often referred to as the North American relative of Boletus edulis. It occurs in the western mountains, mostly in pine forests. It was once considered a subspecies of Boletus edulis, but it was classified as a new species not long ago.

Cap Diameter:

8 - 20 cm

Odor:

Mild, pleasant

General Info About Spring king bolete

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Attributes of Spring king bolete

Cap Diameter

8 - 20 cm

Height

5 - 12 cm

Cap

Cap 10 - 30 cm across; broadly convex to almost flat; reddish brown, dark brown; surface slimy when moist, smooth

Cap Shape

Convex, Depressed

Cap Surfaces

Slimy or slightly sticky, Fibrillose-scaly

Stem

Stem 5 - 20 cm long, 2.5 - 10 cm thick; bulbous, cylindrical, with a tapering or pointed base; white, tan, pinkish

Stem Shapes

Club Shaped

Stem Surfaces

With Reticulum

Flesh

Firm; white

Ring

Ringless

Spore Print Color

Olive-brown

Odor

Mild, pleasant

Body Color

Brown

Red

White

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 Spring king bolete by these plants:

Spruces, Firs, Pines

Occurence Habitats

Coniferous Woodland

Species Status

Least Concern

Endangered Species

How to Identify Spring king bolete

Fruiting Body Cap Flesh

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Habitat of Spring king bolete

The spring king bolete can be found in mixed and coniferous forests and it's often associated with pine and fir. This bolete is always found near the roots of trees, where it exists in a symbiotic relationship in which the two species feed each other essential nutrients.

Uses of Spring king bolete

Spring king bolete is a highly valued edible mushroom, sought after for its delicious taste and firm texture. Popular in culinary practices, it's used in various dishes when available in spring. As an edible species, spring king bolete often features in gourmet recipes and traditional meals. Despite being edible, foragers should ensure correct identification to avoid confusion with similar-looking toxic species. It's not just a seasonal delicacy but also a favorite among mushroom hunters for its savory flavor profile.

Scientific Classification of Spring king bolete

Phylum

Club fungi

Class

Mushroom-forming fungi

Order

Boletes and allies

Family

Boletes

Genus

Boletus

Toxicity and Edibility of Spring king bolete

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Edibility of Spring king bolete

An excellent edible closely related to the famous King Bolete (B. edulis), the spring king bolete is a highly sought-after mushroom that is sometimes gathered on a commercial scale. Like other boletes, the spring king bolete can be prepared in quite a few ways: it can be sliced thin and dried to be used as a flavoring or spice, or it can be sliced thicker and sauteed, or it may be added to soups and pastas. Spring king boletes should be cooked before they're eaten.

Similar Species to Spring king bolete

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Bitter bolete

Similar Species

Spring king bolete

How to Differentiate Between Bitter bolete and Spring king bolete?

Spring king bolete: Typically, the pores are yellow.

Bitter bolete: Pores are cream to pink-brown.

Tips for Finding Spring king bolete

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When is the Best Time to Find Spring king bolete

Seek spring king bolete in late spring to early summer, when temperatures are mild and there's been recent rainfall. Afternoon foraging can be particularly fruitful after warm, wet mornings.

What are the Ideal Soil Conditions for Spring king bolete

Well-drained, rich in organic matter.

What are Some Tips for Finding Spring king bolete

Focus your search on areas underneath coniferous trees like pines and firs, which spring king bolete favors.
Inspect the ground closely near the base of these trees, looking for the distinctive caps of spring king bolete.
Gently move aside foliage and debris on the forest floor, as spring king bolete mushrooms might be partially hidden.
Examine patterns of mushroom growth, as spring king bolete may grow in small groups or clusters.

How to Clean and Preserve Spring king bolete

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How to Clean Spring king bolete

Clean spring king bolete immediately upon collection to prevent dirt from spreading. Check for insects. Avoid piling them together as dirt transfers easily, complicating later cleaning.

Tips on Dry Preservation of Spring king bolete

Drying Methods

Dehydrator Drying, Oven Drying, Air Drying

Drying Duration

6 - 12 months

Store in a cool, dark, dry place with airtight containers to prevent moisture and preserve quality.

Dehydrator drying: Efficient moisture removal, consistent airflow, maintains texture, suitable for high water content.

Oven drying: Reliable and quicker method, moderate temperature with door slightly open for air circulation.

Air drying: Natural method, requires warm, dry, breezy conditions, best performed in low humidity environments.

Tips on Freezing Preservation of Spring king bolete

Freezing Methods

Blanching Before Freezing

Freezing Duration

10 - 12 months

Blanching before freezing: Briefly immerse in boiling water, then cool and freeze to preserve texture.

Tips on Refrigeration Preservation of Spring king bolete

Refrigerating Methods

Paper Bag Storage, Cloth Wrapping, Original Packaging Storage, Container with Absorbent Lining

Temperature

2 - 4 ℃

Refrigerating Humidity

90 - 95 %

Refrigerating Duration

7 - 10 days

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

Cloth Wrapping: Wrap mushrooms in a damp cloth to maintain humidity without excess moisture accumulation.

Original Packaging Storage: If purchased in a container with air vents, keep them in the original packaging to balance humidity and air exchange.

Container with Absorbent Lining: Place a paper towel inside an unsealed plastic bag to absorb moisture and prevent mold growth.

Common Questions People Also Ask

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