Observation 73673: Tylopilus badiceps (Peck) A.H. Sm. & Thiers
When: 2011-08-08
No herbarium specimen

Notes: Taste mild.

Brown bruising on pores prominent; photos 3 and 4 show change over less than one minute. No staining/bruising on context.

KOH reddish black on cap, then fade to red. KOH pale yellow on context.

Proposed Names

83% (1)
Eyes3
Recognized by sight: Purplish-brown cap, beveled cap margin.

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Thanks Igor.
By: Dave W (Dave W)
2011-08-10 06:14:30 CEST (+0200)

I now think I understand the “beveled” thing. It’s about the abrupt change in shape of the outer part of the cap. I had been under the impression that it had something to do with the way the cuticle meets the pore surface.

I did get the pale yellow KOH reaction on the context. That’s the main reason why I had initially favored “ferrugineus.” To make matters even more confusing, this collection lacked the sweet badiceps odor.

Badiceps vs. ferrugineus
By: I. G. Safonov (IGSafonov)
2011-08-09 18:38:37 CEST (+0200)

KOH should stain the context of B. ferrugineus pale yellow. However, the cap edge of the larger basidiocarp in the first picture is strongly beveled or chamfered. Apparently, this characteristic is unique to B. badiceps. The cap color, as noted by Noah, also suggests B. badiceps.

I was
By: Dave W (Dave W)
2011-08-09 16:19:14 CEST (+0200)

just about to add “badiceps” as an alternative proposal, and you beat me to it, Noah! I’m a bit confused about the “beveled” cap margin thing.

Created: 2011-08-09 15:47:13 CEST (+0200)
Last modified: 2011-08-09 18:56:33 CEST (+0200)
Viewed: 73 times, last viewed: 2016-08-26 14:10:40 CEST (+0200)
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