Observation 174839: Chalciporus piperatus (Bull.) Bataille
When: 2014-08-19
0 Sequences

These were growing in several patches along a creek channel and at the edge of a meadow, in pure lodgepole pine stands. Fruiting at the same time as Amanita muscaria, Suillus tomentosus, and Boletus edulis (sensu CA mountains).
One patch had two particularly large specimens, 11.1 and 11.3 cm pileus diameter, but others were in the typical size range for C. piperatus.
Pore surface darkened somewhat when bruised, but there was no blue tint to the bruising. Upon slicing the specimens, the context was unchanging except for the largest one, which darkened (purplish-gray) erratically and slowly. Pores and tubes ranged from orange-brown to deep red-brown. Pores were 1-2mm in diameter and had jagged/uneven edges
Pileipellis was slightly viscid in younger specimens, shiny and dry in older ones with adhering debris. Yellow-brown to orange-brown, peeled easily, and cracked/scaly-looking (but still smooth to the touch) in a few older specimens.
Context was pale yellow in the pileus except for a vinaceous layer just above the tubes, becoming bright sulfur yellow in the stipe.
Spore print was deep, warm brown, almost chocolate-brown but with some red to it.


Large specimens not pictured; spore color visible on smallest cap
Taken two days after picking, with large and small specimens.

Proposed Names

54% (1)
Eye3 Eyes3
Recognized by sight: Peppery taste, bright yellow mycelium at stipe base, red-brown pores, no blue staining.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2014-08-21 17:58:26 PDT (-0700)
Last modified: 2014-08-21 17:58:31 PDT (-0700)
Viewed: 23 times, last viewed: 2017-10-16 13:29:54 PDT (-0700)
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