Species details

Tuberous polypore

Polyporus tuberaster

Traditionally edible
Tuberous polypore – Polyporus tuberaster

Photo: Анна Митрошенкова · CC BY 4.0 · Photo source · License

Description

A smaller scaly polypore on hardwood with a tuberously thickened base or underground sclerotium; edible when young.

Identification features

The cap is 3–8 cm or larger, flat to depressed, ochre to reddish-brown and covered with concentric dark pointed scales. Pores are pale, large and angular.

Identification checklist

Check the smaller scaly cap, large angular pores and tuberous base or sclerotium.

Detailed features

Cap
The cap is 3–8 cm or larger, flat to depressed, ochre to reddish-brown and covered with concentric dark pointed scales.
Hymenophore
Pores are pale, large and angular.

Size

Cap diameter
3–8 cm

Habitat

Grows in deciduous woodland, especially with beech, on decaying wood from spring to autumn.

Fruiting period

May, June, July, August, September, October

Ecology

Host trees
Beech (Fagus)
Substrate
Dead wood
Notes
Grows in deciduous woodland, especially with beech, on decaying wood from spring to autumn.

How to separate similar species

Cerioporus squamosus is usually much larger and lacks the same characteristic tuberous base.

Similar species

Extended-description sources