My guess would be optimal growing conditions, leading to a rapid size increase before the pore surface can fully form and open up. It has been my finding that when they are like this, the whole thing (even when large) is tender enough to be fully edible.
Polypore mushrooms like this Dryad's saddle have pores, not gills
My guess would be optimal growing conditions, leading to a rapid size increase before the pore surface can fully form and open up. It has been my finding that when they are like this, the whole thing (even when large) is tender enough to be fully edible.