Observation 133374: Amanita sect. Caesareae Singer
When: 2012-09-22
No herbarium specimen

Proposed Names

-38% (4)
Recognized by sight
20% (3)
Recognized by sight
12% (4)
Recognized by sight
45% (2)
Recognized by sight
47% (5)
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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These Florida Amanita
By: Josh M.K. (suchen)
2013-05-11 14:52:26 PDT (-0700)

are incredibly intriguing! I love the discussion going on. Also, aHA! I’ve been searching through old photos trying to find my similar observation, and found it. I will post it up here. I know arguing that the two are the same is quite silly, but thought I’d do it anyway!

Ret lists A. arkansana as…
By: Dave W (Dave W)
2013-05-11 14:03:14 PDT (-0700)

having a strongly striate cap margin. But one or two of the examples pictured on the website show relatively short striations.
Ret lists the annulus a being “white.” Colors on A. arkansana are similar to banningiana.

Here’s an MO obs (78% confidence) showing striations of 20% or less.

Of course, we aren’t going to get to the bottom of this because… we can’t get to the bottom! Need info on basal structure.

I saw that
By: Eric Smith (esmith)
2013-05-11 10:11:59 PDT (-0700)

A. flavoconia can be slightly striate at maturity and that is how I would characterize this observation, not the 40-50% of the radius described for A. jacksonii or 25-40% described for A.banningiana…more like 10-15%. I think some of the yellow color on the underside may be from the natural light shining down through the orange cap.

Bob, if you zoom in on the cap…
By: Dave W (Dave W)
2013-05-11 09:29:53 PDT (-0700)

the left side appears to be fairly distinctly striate. Right side looks somewaht more streaked. Kinda ambiguous…? Richness of the color and the abrupt marginal fade bring caesareae to my mind. I doubt banningiana, though. Too solidly yellow on the stipe and ?striations? too short.

Gestalt says “caesareae” to me.

By: Eric Smith (esmith)
2013-05-10 19:56:22 PDT (-0700)

It’s hard to tell. They look whitish to me but based on the lack of cap striations alone this seems to be not one of the caesarea, but much more likely candidate for section Validae in my opinion. The gill color seems fairly in-line with what I see at RET’s site, and he also states that at times the gills of A. flavoconia can appear yellowish:

By: Richard and Danielle Kneal (bloodworm)
2013-05-10 19:31:06 PDT (-0700)

the gills appear to be yellowish here, not white…

If this
By: Eric Smith (esmith)
2013-05-10 18:45:13 PDT (-0700)

were Amanita banningiana, it would have long striations on the cap. Section Validae is more likely.

If this
By: Josh M.K. (suchen)
2013-05-10 18:33:40 PDT (-0700)

were Amanita banningiana it would have a volva at the base of the stem like Amanita caesarea or Amanita jacksonii. Have any photos of the base of the stem?

Why not
By: Josh M.K. (suchen)
2013-05-10 18:30:26 PDT (-0700)

Amanita flavoconia?

Beautiful Amanita!
By: Justin (Tmethyl)
2013-05-10 17:21:18 PDT (-0700)

Created: 2013-05-10 12:14:01 PDT (-0700)
Last modified: 2013-05-11 15:07:41 PDT (-0700)
Viewed: 124 times, last viewed: 2016-10-23 01:21:02 PDT (-0700)
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