Amanita griseofarinosa - Amanitaceae.org - Taxonomy and Morphology of Amanita and Limacella
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name Amanita griseofarinosa
name status nomen acceptum
author Hongo
english name "East Asian Gray Dust Lepidella"
images
  • Amanita griseofarinosa, Yunnan Prov., China.Amanita griseofarinosa, Yunnan Prov., China.

    1. Amanita griseofarinosa, Yunnan Prov., China.

  • Amanita griseofarinosa, Yunnan Prov., China.Amanita griseofarinosa, Yunnan Prov., China.

    2. Amanita griseofarinosa, Yunnan Prov., China.

    • cap

    Fruiting bodies of Amanita griseofarionosa are small to medium-sized. The cap of this species is 40 - 70 mm wide, convex to applanate, greyish, brownish grey, or occasionally whitish.  The cap is densely covered with greyish, grey to dark grey, farinose, verrucose to felty volval remnants; the margin is smooth and appendiculate; and the context is white.

    gills

    The gills are free and white; their edges are greyish.  The short gills are attenuate.

    stem

    The stipe is 60 - 120 × 5 - 20 mm and subcylindric, and it has a surface that is greyish to dirty white, covered with grey farinose to floccose to fibrillose squamules.  The stipe's basal bulb is 10 - 30 mm wide and ventricose; its upper part is covered with grey to brown, floccose to farinose volval remnants.  The annulus is fugacious.

    odor/taste

    Bas (1969) reported that the taste as mild and the smell, faint.

    spores

    Spores measaure (8.0-) 8.5 - 11.0 (-12.5) × 7.0 - 9.0 (-11.0) μm and are subglobose to broadly ellipsoid to ellipsoid (rarely globose) and amyloid.  Clamps are absent at the bases of basidia.

    discussion

    Amanita griseofarinosa was originally described from Japan.  The species is also found in China and South Korea.

    Bas (1969) placed the present species in his stirps Cinereoconia (see A. cinereoconia G. F. Atk. var. cinereoconia).—Zhu L. Yang and R. E. Tulloss

    brief editors RET, ZLY

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