Fungal Word Friday: Annulus

One feature that is helpful in identification of many mushrooms is the presence of an Annulus. And what is an annulus? Here you go:

Amanita muscaria with distinct annulus

Well, as you see in this picture, it is simply a ring around the stipe of a mushroom. A remnant of the mushroom's partial veil.


Photo Cred: By JJ Harrison (jjharrison89@facebook.com) (Own work) [GFDL 1.2 (http://www.gnu.org/licenses/old-licenses/fdl-1.2.html) or CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons