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Bluing Bolete

Gyroporus cyanescens

Description:

I had barely brushed up against this mushroom when it started to bruise blue. Once I cut into the flesh, it immediately stained a dark blue-purple color. The cap was tan-yellowish in color, rough and scaly, and was approximately 8cm in diameter. The stem was thick and had similar coloration as the cap. Pore surface was pale yellow. This is the first spotting of this species on Project Noah.

Habitat:

Growing on the ground in a mostly deciduous forest.

Notes:

The bluing reaction is caused by the oxidation of a chemical called gyrocyanin.

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6 Comments

Christine Y.
Christine Y. 6 years ago

Thanks Machi, the color change was spectacular!

Machi
Machi 6 years ago

Wow! Great spotting!

maplemoth662
maplemoth662 6 years ago

Your welcome, Christine...

Christine Y.
Christine Y. 6 years ago

Thanks maplemoth. I had never seen a mushroom turn such a vibrant shade of blue before, and it happened instantly. Pretty cool.

maplemoth662
maplemoth662 6 years ago

A very interesting mushroom, with beautiful shades of blue...

maplemoth662
maplemoth662 6 years ago

Very interesting photos...

Christine Y.
Spotted by
Christine Y.

Connecticut, USA

Spotted on Sep 19, 2017
Submitted on Sep 19, 2017

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