Cap: 10-20 cm across, first hemsipherical to trapezoidal, soon convex, old in center plane and indented, almost smooth and dark dingy brown to tobacco brown if young, later splitting to form concetric appressed, fibrillose scales on a pale background, if bruised browning, margin is incurved for a long time, hung with whitish veil remanants if young.
Hymenophore: lamellae are pale pink, later gray pink to dark purple brown, free, edges are smooth, sometimes paler.
Spore print: dark purple brown
Spore: broadly elliptic, 5,5-7,4 x 4,6-6,2 μm
Stem: 7-12 x 2,5-4,5 cm, cylindric, sometimes tapered on the base, young solid, old hollow, smooth and whitish above the annulus, variably brown floccose on a whitish background below, usually girdled with distinct brown zones toward the base, annulus pendent, membranous, whitish, with a double margin, upper surface is smooth, lower surface is with brown squamules.
Flesh: white, if cut redenning, later brownish, thick, odor is pleasant nutty, taste is mild, nutty.
Habitat: grouped or clustered in gardens, parks, on path or roadsides, in humus rich places, grows from summer to fall.
Remarks: similar with Agaricus augustus, which odor is like bitter almonds.