Slippery Jacks (Suillus luteus)


Suillus luteus or ‘Slippery Jack’ mushrooms are common in our local pine forests.

Suillus luteus, Slippery Jack

ID KEY:

Suillus luteus or ‘Slippery Jack’

Slippery Jacks belong to the Suillaceae family. They are classed as boletes, which have pores under their cap rather than gills.

ECOLOGY: Introduced species. Mycorrhizal with exotic conifers. (Including pines such as Pinus radiata.)

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CAP: 5-12cm in diameter. Convex, becoming broadly convex-flat with maturity. Dark brown, reddish brown or yellowish brown in colour with a slimy texture when wet.

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PORES: Pale yellow, becoming darker yellow – olive yellow with maturity.

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STEM: Up to 8cm length. White – brown veil which also has a slimy texture when wet. Small, light brown dots above the veil.

SPORE PRINT: Brown

EDIBILITY: Edible. Best to use dehydrated and added to soups or stews. sautéeing may cause the mushroom to collapse and turn into an unpleasant, gelatinous mess.

OTHER NOTES: Suillus granulatus is also referred to as ‘Slippery Jack’ and is also edible. Identifying features are very similar to S.luteus but S. granulatus lacks a veil.

Naturalismedica

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