Observation 207503: Baorangia bicolor (Kuntze) G. Wu, Halling & Zhu L. Yang
When: 2015-06-23
No herbarium specimen

Notes: Looks like bicolor, but the bruising/staining does not fit this species.

Near border of mainly hardwood trees.

KOH mahogany on cap and orange on context.

Two specimens photographed.

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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When I first started noticing the black bruising…
By: Dave W (Dave W)
2016-09-05 18:53:46 PST (-0800)

on the red/yellow boletes (maybe as far back as 2014), I thought they couldn’t be bicolor. But after paying closer attention to these types this summer, my current opinion is that the black bruising on the surface is an occasional feature with bicolor, at least locally. Many of what otherwise appeared to be bulls-eye bicolor I examined this summer showed some degree of black on the caps.

Granted, the ones seen in this observation show an awful lot of black on the cap and stipe. I think these specimens are outlier bicolor, with respect to the blackening trait.

Dave, are there any other physical characteristics you can share?
By: Scott Pavelle (Scott Pavelle)
2016-09-05 18:39:20 PST (-0800)

Assume it’s a new species, or one of those genera Noah talked about that people are naming after their favorite pies. (KeyLimeoletus meringueii. Marshmallowy cap with a sour taste like extra-strong frostii. Yum.)

Sorry, I digress. The texture looks very firm based on the photo. True? Any other staining? Smell? Taste? Etc.? And so you have a sample? The text says no.

Thanks in advance. I know I’m riding a hobby horse wth this, but what the heck – just call me Tex.

Someone ought to write to the Bessettes or Bill Roody to see…
By: Scott Pavelle (Scott Pavelle)
2016-09-05 18:32:25 PST (-0800)

…if they would join some of these conversations. It seems to me that we are trying to translate cryptic shorthand they didn’t have the time or data to complete at the time. There’s probably a lot of knowledge there that simply wasn’t sure enough to put in print. A forum like this, however, would be the ideal place to informally share suspicions and beliefs that they couldn’t responsibly set down as “data.”

Besides, there may be new developments they could share. If anyone knows them well enough to ask, please do. [Heck, I’d love to hear their input on a whole bunch of the NBC observations, starting with the peckii and moving on down through the bicolors-that-aren’t].

NAB-2 looks like the ones seen here.
By: Dave W (Dave W)
2016-05-02 20:20:33 PST (-0800)

Pale blue staining on cut context seems unusual for bicolor.

Lots of oak in this area; also birch, poplar, other hardwoods. No spruce (which is reported for NAB-2). Maybe a few hemlock or white pine nearby.

To confound things, there are other red/yellow boletes that grow in pretty much the exact same spot (open area near wood border). Here are a few other examples found in this location obs 207756 , obs 138794 , obs 170344 .

Dave,
By: I. G. Safonov (IGSafonov)
2016-05-02 19:35:06 PST (-0800)

I don’t remember if we had this discussion before, but these bicolor-like taxa with bluing pileipellis look very much like BRB’s NAB-2. Definitely something we will need to collect and preserve for the BC effort.

Created: 2015-06-23 20:38:54 PST (-0800)
Last modified: 2016-09-05 18:46:24 PST (-0800)
Viewed: 69 times, last viewed: 2016-09-06 19:13:33 PST (-0800)
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