Technical description (t.b.d.)

BRIEF DESCRIPTION: The cap of Amanita altipes is 40 - 90 mm wide, convex to plano-convex, non-appendiculate, with a tuberculate-striate margin. The cap is yellowish to yellow, often with brownish tinge over disk, and a pale yellow margin. The flesh is white. The volva is present as felty, floccose patches, 2 - 5 mm wide and up to 1 mm thick; these remnants are yellowish to yellow to dirty yellow, and often are washed away by rain or completely retained in the soil.

The gills are free, crowded, and white to cream-colored to yellowish . The short gills are truncate, plentiful, and evenly distributed.

The stem is 90 - 160 x 5 - 18 mm, subcylindric, yellowish, becoming whitish towards the stem base. The volva is present as yellow to yellowish floccose patches or warts.

The spores measure 8.0 - 10.0 x 7.5 - 9.5 µm and are globose to subglobose and inamyloid. There are no clamps present at the bases of basidia.

The species occurs on soil under Fir, Spruce, Oak, Birch and/or Willow and fruits from August to September in southwestern China at 2700-4000 m elev. -- Zhu L. Yang

Photos: Dr. Zhu L. Yang (China)

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Last changed 29 June 2004.
This page is maintained by R. E. Tulloss.
Copyright 2004 by Zhu L. Yang.
Photographs copyright 2004 by Zhu L. Yang.