Amanita brunneomaculata - Amanitaceae.org - Taxonomy and Morphology of Amanita and Limacella
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name Amanita brunneomaculata
name status nomen acceptum
author Yang-Yang Cui, Qing Cai & Zhu L. Yang
intro This text is derived from the original description of Amanita brunneomaculata.  The fruiting bodies of Amanita brunneomaculata are medium-sized.
cap The cap is 50 – 90 mm wide, plano-convex to planar, whitish, and has a brownish to brown spot when mature.  The volva is present as fluffy to patchy, whitish to brownish remnants, which are easily broken when mature.  The cap’s margin is non- or radially grooved and has material hanging from its edge.  The flesh is white.
gills The gills are free, crowded, and white, but become grayish, gray-brown, brownish to brown when dried.  The short gills are truncate and plentiful.
stem The stem is 50 – 130 × 10 – 22 mm, nearly cylindrical or narrowing upwards, white, brownish to brown, covered with concolorous fluffy squamules.  The stem lacks a basal bulb.  At the stem's base, the volva is saccate, 15 – 50 × 15 – 40 mm, and membranous; the outer surface is white, brownish to brown, and the inner surface is brownish to brown.  The ring hangs from a region 30 – 40 mm below the stem's top and is fluffy, whitish and fugacious.
odor/taste The odor and taste were not recorded for the present species.
spores The spores measure 10.0 – 13.0 × 6.5 – 8.0 µm and are ellipsoid to elongate and amyloid.  There are no clamps at the bases of basidia.
discussion Amanita brunneomaculata is described from Yunnan Province, China. &nsbp;This taxon is often in association with trees of the family Pinaceae.—Yang-Yang Cui and Rachel Warner
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