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Weeping bolete - Suillus granulatus

  • Writer: The Foraging Course Company
    The Foraging Course Company
  • 9 hours ago
  • 2 min read

Weeping bolete (Suillus granulatus) growing in grass

Edible mushroom - novice Season - summer to autumn Common names Weeping bolete, granulated bolete, dotted stem bolete, ringless slippery Jack, crying bolete


Scientific name meaning: Suillus is derived from the Latin for swine/pig. Luteus is also Latin and means muddy. Granulatus, meaning granular, is a reference to the granulation seen at the top of the stem

Habitat

A pine woodland

A mycorrhizal fungus that associates with coniferous trees, especially pine.

Overall structure and growth

Weeping bolete (Suillus granulatus) fruit body

A mushroom with a slimy cap that often appears in large numbers or as individual specimens.

Cap

The cap of Weeping bolete (Suillus granulatus)

Orange to orange-brown in colour, the cap is usually 4 to 10cm wide. It is dome-shaped. Often an umbo (small central bump) is present. It is slimy when wet and sticky when dry. 

Pores, tubes and spores

The pores of Weeping bolete (Suillus granulatus)

The angular pores and tubes are pale yellow. Droplets of milky liquid drip from the pores. The liquid dries a slightly darker colour. The spore colour is sienna-brown.

Stem

The stem of Weeping bolete (Suillus granulatus)

The stem is 4 to 8cm tall and 1 to 1.5cm wide. It is very pale yellow, almost white, in colour and can have a slightly swollen base. Near the cap it is granular and exudes a milky liquid from this area. It does not have a ring or skirt . 

Flesh, smell and taste

The flesh of Weeping bolete (Suillus granulatus)

The flesh is pale yellow and does not change colour. The smell and taste are pleasant and mild.

Possible lookalikes

Larch bolete (Suillus grevillei)

Could be confused with other Suillus species, such as the bovine bolete (Suillus bovinus), larch bolete (Suillus grevillei), pictured, and slippery Jack (Suillus luteus). All are edible, however, the latter two have no ring or ring zone


Use as a food Must be cooked. Best after dehydration Hazards Has been known to cause stomach upsets in some so tolerance tests are advised. Also, removal of the slimy cap and tubes is believed to reduce the risk of an unfavourable reaction


Use in herbal medicine and medicine None known

If you are suffering from any ailment or need medical advice, please see your General Practitioner Other uses None known Importance to other species Food source of many invertebrates


Always stay safe when foraging. You need to be 100% sure of your identification, 100% sure that your foraged item is edible, and 100% sure that you are not allergic to it (it is good practice to always try a small amount of any new food you are consuming). If in doubt, leave it out!






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