Observation 27953: Amanita sect. Vaginatae sensu Zhu L. Yang

When: 1996-08-15

Collection location: Schönbuch, Dettenhausen, Baden-Wuerttemberg, Germany [Click for map]

Who: Andreas Gminder (mollisia)

Specimen available

this is what I tend to call Amanita umbrinolutea ss.str.. It is a quite large Amanitopsis with a white volva and a slightly darker zone at the inner end of the marginal striation. It differs from A. battarrae by cap colour and zonation, volva colour and habitat. It differs from Amanita vaginata by cap colour, the slightly darker zone and the attachement of the volva at the stem base. It has much of A. submembranacea, but the volva stays white and the habitat (decidous forest on clay, neutral to basic soil) is quite different.

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By: R. E. Tulloss (ret)
2010-07-22 10:04:34 PDT (-0700)

The photo seems close to Bas’ photos of collection (in the herbarium at Leiden, L) from which I built up my anatomical concept of A. umbrinolutea. At least in younger material, the brown parts of the cap have a reddish tint (hence, “umbrino-”).

Very best,


Created: 2009-11-09 05:14:33 PST (-0800)
Last modified: 2012-06-06 14:39:21 PDT (-0700)
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