Observation 92376: Amanita velosa (Peck) Lloyd

When: 2012-04-07

Collection location: Knowland Park, Oakland, California, USA [Click for map]

37.0° 122.0°

Who: Tom Bruns (pogon)

Specimen available

This was under live oak at the edge of the canopy in the grassy meadow



Proposed Names

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Recognized by sight
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isn’t life funny?
By: Debbie Viess (amanitarita)
2012-04-11 02:27:20 EEST (+0300)

no absolutes.

every velosa I have ever cut had a hollow stuffed stipe (and I cut lots, to eat ’em). most ocreata have a solid stipe, but often with discrete chambers; I have seen only a few with hollow stuffed stipes like velosas. even phalloides can have a hollow stipe, but only rarely.

still, when the edible amanita characters veer from the norm, caution is advised.

Hollow vs solid stipe
By: Christian (Christian Schwarz)
2012-04-10 23:52:36 EEST (+0300)

I cut into a bunch of these and A. ocreata this spring, and I found that it is much less common for A. ocreata to have a hollow stipe than it is for A. velosa to have a solid stipe (which was pretty frequent).

the two buttons are unmistakeable velosa…
By: Debbie Viess (amanitarita)
2012-04-10 23:42:08 EEST (+0300)

with that color, striate margin when young and a base more narrow than the cap, but the sectioned one is disturbing on two counts: it has a solid stipe context
(velosas are typically hollow and stuffed with pith or gel) and it has a rather bulbous base, NOT typical for velosa.

check the spores on that one: if inamyloid, then it’s a velosa; if amyloid, it’s trouble!

Could just be that ole variability, but I sure wouldn’t bet my life on the macro here!

Created: 2012-04-10 23:35:03 EEST (+0300)
Last modified: 2012-04-10 23:36:51 EEST (+0300)
Viewed: 57 times, last viewed: 2017-06-13 05:27:43 EEST (+0300)
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