Boletus pulverulentus identification

About mushroom

Boletus pulverulentus Opatowski Ligeti tin?ru. Cap 4-10cm across, broadly convex; deep yellow-brown to blackish brown, sometimes with reddish hues; subtomentose to dull, dry, or glabrous, tacky when moist. Tubes yellow, but instantly deep blue when cut. Pores large and angular; lemon yellow, instantly deep blue when touched. Stem 40-80 x 10-30mm, equal to tapering below; bright yellow-orange on apex, reddish brown below, turns instantly blue-black when handled; surface pruinose. Flesh soft; yellow then deep blue to almost black when cut. Odor not distinctive. Taste not distinctive. Spores subfusiform, 11-14(15) x 4.5-6?. Deposit olive-brown. Habitat in grassy oak woods and in garden lawns, particularly on slopes and banks. Often common. Found throughout northeastern North America. Season July-August. Edible. Comment One of the most easily identifiable boletes, with its instant and very deep blue color change of all parts. Ammonia on the cap cuticle gives a fleeting green coloration.

Boletus pulverulentus photos

More info about Boletus pulverulentus mushroom

Stem type:
Simple stem
Edible
Habitat:
Grows in woods
Grows on the ground
Spore colour:
Olivaceous
Cap type:
Convex to shield shaped
Fungus colour:
Brown
Normal size:
5-15cm
Location:
North America
Flesh:
Flesh discolours when cut
bruised or damaged
Ligeti tin?ru
Class:
Agaricomycetes
Order:
Boletales
Family:
Boletaceae
Last modification: 2015-10-02 01:07:36

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