Observation 11616: Amanita citrina sensu auct. amer.
When: 2008-09-25
No herbarium specimen

Notes: This was growing solitary, in a mossy area in mixed woods. Pale greenish convex cap, with a few flecks of white universal veil material; close white gills; white partial veil in the process of rupturing — looks like it would have eventually formed a skirt-like ring on the upper stalk; stalk base not completely intact but I didn’t see either a volva or much of a bulb.

Close examination of the cap shows some slight color variations of a sort that might put this in sect. Phalloideae. The characteristic volva might have been buried and not come up with the stem. If so, this was probably a very poisonous mushroom.

However, I found not too far away a mushroom (obs. 11623) whose cap and upper stem seemed very similar and whose stem base came up nearly intact. That one had quite a large bulb on the stem base, and quite an abrupt bulb. It might have had a collar even. So this one might have had a similar bulb rather than a volva, one which mostly broke off when it was uprooted.

Proposed Names

29% (1)
Recognized by sight
57% (1)
Eye3 Eyes3
Recognized by sight: Apparently the correct interim term for the non-lavender-staining form found in North America.

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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nomenclature changes afoot for Amanita citrina…
By: Debbie Viess (amanitarita)
2008-09-27 12:41:57 CDT (-0400)

..I agree that this looks like what we call citrina, but not so sure what the latin is on this guy these days. Tulloss shows “citrina” as bulbosa var. citrina and citrina var. lavendula, with the typical lavendar staining
sometimes only appearing after a frost. Despite its superficial resemblance to phalloides (and in fact the first time that I saw this mushroom in the field in the NE that is exactly what I thought that it was…until I noticed the purple partial veil) it is probably not poisonous, and in fact is in section validae, not phalloides. This is NOT an endorsement to experiment with this mushroom as an edible, however!!!

Its segregation into section validae makes sense when you look at the veil tissue on the cap…phalloides will never show warts, altho sometimes the membranous veil will break and leave a patch on the cap.

I will leave it to Rod to offer further illumination…

Created: 2008-09-27 01:52:12 CDT (-0400)
Last modified: 2010-09-09 23:47:49 CDT (-0400)
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