Suillus viscidus

Suillus viscidus (commonly known as the sticky bolete) is an edible, uncommon mushroom in the genus Suillus.[1] It associates with larch and is found throughout Europe and in Japan.

Suillus viscidus
Scientific classification
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Boletales
Family: Suillaceae
Genus: Suillus
Species:
S. viscidus
Binomial name
Suillus viscidus
(L.) Roussel 1796
Synonyms

Suillus aeruginascens Secr. ex Snell
Suillus laricinus (Berk.) Kuntze
Ixocomus viscidus (Fr. & Hök) Quél.

Suillus viscidus
float
Mycological characteristics
pores on hymenium
cap is convex
hymenium is decurrent
stipe has a ring
spore print is brown
ecology is mycorrhizal
edibility: edible

Description

The cap is hemispherical when young, later convex to flat, whitish grey or darker. It is up to 12 cm in diameter. It is slimy, and blotchy when old. The large, angular pores on the underside of the cap are coloured pallid to yellowish at first, but become darker with maturity. Yound specimens bear a whitish partial veil which soon shreds. The tubes are concolorous, and have a slightly decurrent stem attachment. The stem bears a thin, slimy, dark-coloured ring in the uppermost part of the stem which is sometimes lost in mature specimens. The stem is divided by the ring into a short lighter, yellowish section above, and a duller, greyish section below. The flesh is whitish-grey, very soft and has a mild or non-distinct taste.[2][3]

The spores are clay-coloured and ellipsoid or subfusiform in shape. Their dimensions are 10-12 by 4-5.5 μm.[3]

It is an edible mushroom of low quality.[3][4]

Habitat

Suillus viscidus forms an ectomycorrhizal association with larch (Larix) specifically, and its distribution is thus limited by the range of the host tree. It occurs throughout Europe, and also in Japan.[5] In Europe, it is considered an uncommon to rare fungus and it is to be found in the same habitat as the common larch bolete, Suillus grevillei, and also the rare Suillus tridentinus.[3] Fruiting bodies are found in groups among grass under larch, from summer to autumn.[4]

References
  1. Boa, E. R. (2004). Wild edible fungi: a global overview of their use and importance to people. Food & Agriculture Org. p. 139. ISBN 978-92-5-105157-3.
  2. Garnweidner E. (1994). Mushrooms and Toadstools of Britain and Europe. Collins.
  3. Jordan M. (1995). The Encyclopedia of Fungi of Britain and Europe. London: David & Charles. p. 349. ISBN 0-7153-0129-2.
  4. Læssøe Th., Del Conte A. (1996). The Mushroom Book. Dorling Kindersley. p. 214. ISBN 0-7513-0258-9.
  5. "Shironumeriiguchi" (in Japanese). Retrieved 2010-09-17.
A collection of Suillus viscidus from the Italian province of Trentino

Suillus viscidus in Index Fungorum
Suillus viscidus in MycoBank.

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