Cap: 2 – 5 cm, conical to plane, chestnut brown, hygrophanous, bruising blue/green where damaged, often with a broad umbo.
Gills: Cream color when young, violet yellowish brown in age, with adnate attachment.
Spores: Dark violet brown, oblong to ellipsoid, 7 × 4 µm.
Stipe: 4 – 9 cm long, .2 to .5 cm thick, brown, bruising blueish, pruinose, with fibrils near the base.
Also known as Psilocybe aucklandiae.