Suillus caerulescens
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| Suillus caerulescens | |
|---|---|
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Scientific classification  | |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Boletales |
| Family: | Suillaceae |
| Genus: | Suillus |
| Species: | S. caerulescens |
| Binomial name | |
| Suillus caerulescens | |
Suillus caerulescens, commonly known as the douglas-fir suillus[1] and fat jack,[2] is a species of bolete fungus in the family Suillaceae.
The species was first described scientifically by American mycologists Alexander H. Smith and Harry D. Thiers in 1964.[3]
| Phylogenetic relationships of closely related species | |||||||||||||||||||||||||||||||||
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| Cladogram of 7 closely related species according to the Open Tree of Life.[4] |
Suillus caerulescens | |
|---|---|
 | Pores on hymenium |
 | Cap is convex or flat |
 | Hymenium is adnate or decurrent |
 | Stipe is bare or has a ring |
 | Spore print is brown |
 | Ecology is mycorrhizal |
 | Edibility is edible |
Description
The cap is yellowish to reddish brown, sometimes with streaks from its darker center.[5] It ranges from 4–15 cm (1.5–6 in) in diameter,[2] shaped convex to flat, and viscid when wet,[6] sometimes with veil remnants on the edge.[5] The flesh is yellowish,[6] as are the pores.[5] The stalk is yellowish to brown, darkening with age, 2–8 cm tall, 1–3 cm wide, and bruises bluish to brownish (often slowly),[1][7] especially at the base.[6] A faint ring may be present.[5]
The flesh can have a lemony flavour.[1] The spore print is reddish-brown.[2]
Fruit body examples
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Similar species
Suillus lakei is fairly similar,[6] as is S. ponderosus.[2]
Habitat and distribution
It can be found growing with Douglas-fir trees[5] in western North America from October to December.[2]
