Observation 91917: Volvariella Speg.

Proposed Names

47% (2)
Eyes3
Recognized by sight
30% (2)
Recognized by sight
1% (2)
Recognized by sight: sulcate cap looks Amanita like… Was it white or pink spored?

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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How about?
By: Byrain
2012-04-09 12:30:21 CDT (-0400)

Lepiota or one of the related genera? Any reason to rule those out?

And I would think that the pinkish tint in the gills could be a camera artifact from having a hand so close to the specimen.

Even if substrate our mycorrhizal connection is not entirely clear,…
By: R. E. Tulloss (ret)
2012-04-09 10:59:48 CDT (-0400)
a list of plants in the vicinity would also be helpful. I am only familiar with Amanita within Panama from the collecting of Dr. Ovrebo on Barro Colorado Island. While there were not plentiful mycorrhizal trees there, Coccoloba was present; and some of the smaller amanitas (sections Vaginatae and Amanita) that were very likely to be mycorrhizal may have been associated with Coccoloba (or maybe understory or midstory plants) rather than the larger trees. There were several probably nonmycorrhizal amanitas from subsect. Vittadiniae, but we are not talking about them in the case of the present observation.

There’s something odd about the texture of the cap (especially noticeable over the umbo) in Eduardo’s photos that also suggests to me that the species is not an Amanita.

Very best,

Rod

what…
By: Richard and Danielle Kneal (bloodworm)
2012-04-09 08:13:44 CDT (-0400)

was the substrate?

The cap seems open enough to be sporulating. [edited]
By: R. E. Tulloss (ret)
2012-04-08 22:56:31 CDT (-0400)

One question then is whether or not one sees a pink tint on the gills in the picture that shows the underside of the cap.

On the other hand, it is very unusual for a species of section Amanita or section Vaginatae to have short gills that are not rather squarely cut off. The short gills in the picture of the cap’s underside shows short gills smoothly curving upward, not squarely cut off. So I have some doubt about the possibility of a species in [edit begins] subgenus [edit ends] Amanita.

R

base?
By: Danny Newman (myxomop)
2012-04-08 18:58:32 CDT (-0400)

hard to buy a Volvariella proposal without a visible volva…

Created: 2012-04-06 13:24:35 CDT (-0400)
Last modified: 2012-04-08 22:52:42 CDT (-0400)
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