Technical description (t.b.d.)

BRIEF DESCRIPTION: The cap of A. boliviana is 25 - 45 mm wide, convex to plano-convex, white, dry, with a nonsulcate margin. The cap is minutely pulverulent-squamulose with small, white, floccose patches and flecks.

The gills are crowded, free, and white.

The stem is 70 - 100 x 6 - 10 mm, solid, firm, white, floccose-scabrous, exannulate, and without distinct remnants of volva.

The spores measure (7.5-) 8 - 9.5 x 6.5 - 7.5 (-8.5) µm and are amyloid and subglobose to broadly ellipsoid. Clamps are present at bases of basidia.

Due to lack of information on fresh material, Bas described this entity provisionally from Bolivia (Dpto. Pando). Its habitat was described simply as "forest."

Bas placed this species in his stirps Vittadinii. Many taxa of that stirps appear to grow without a woody plant symbiont. Amanita boliviana may be an exception.
-- R. E. Tulloss

Drawing: Dr. Cornelis Bas (1969) (reproduced by courtesy of Persoonia, Leiden, the Netherlands)

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Last changed 29 August 2004.
This page is maintained by R. E. Tulloss.
Copyright 2004 by Rodham E. Tulloss.
Drawing copyright 1969 by Persoonia.