Suillus tomentosus (“Blue-Staining Slippery Jack”)

Description

Genus: Suillus

Species: tomentosus

• Species 2: tomentosus var. tomentosus

Common Name:

• Common Name 2: “Blue-Staining Slippery Jack”
• Common Name 3: “Poor Man’s Slippery Jack”
• Common Name 4: “Woolly-Capped Suillus”

Tells: Wooly/scaly, yellow to orangey cap balds w/ age. Brown-yellow pores stain blue, & babies may have yellow dew. Stains fingers brown.

Other Information: Yellow cap flesh stains blue slowly and/or irregularly. Note that the color varies from ore yellow in the Great Lakes region to more yellow-orange in the Rocky Mountains. Stem is also yellow or orange-yellow, with orange or brown dots. There is a California version called S. reticulatus.

Edibility: Good.

CHEMICAL TESTS:

• NH4OH (Ammonia): No data.
• KOH: No data.
• FeSO4 (Iron Salts): Cap skin turns pale gray.

Links:

• Mushroom Expert
• Mushroom Observer
• Wikipedia
• Google Image Search

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