Suillus luteus

slippery jack

Names across languages

From the latest record: 2024-09-12.

Pores, large, angular, yellow, turning brown with age, exude a milky liquid when fresh

convex to flattened as it matures, with a very slimy or viscid surface when wet, color is brown to chestnut, darkening with age

Adnate

cylindrical, yellowish with a slimy, brown ring that may disappear in older specimens, base is often covered in white mycelium

Spore print brown

Mycorrhizal, with pine trees, found in coniferous forests, on sandy soil, late summer to autumn, often in large numbers

Edible and widely collected, slimy cuticle of the cap removed before cooking

Fruit body 7–12 cm tall, stipe 5–10 cm long, 1–2.5 cm thick

Cap 5–12 cm in diameter

Odour mild, not distinctive

Spores smooth, spindle-shaped to ellipsoid, 7.5–10.5 x 3–4.5 µm, basidia tetrasporic, hyphal structure lacks clamp connections

Distinctive mycorrhizal mushroom characterized by its large brown slimy cap

1796). Fl. Calvados: 34.

Väike-Rõsna küla, Setomaa, Värska, Estonia

Mossy grassland, near mixed wood and urban building

57°59'08.9"N 27°37'22.6"E

🔆 Mild overcast, open spot