Observation 144072: Suillus Gray

When: 2013-08-27

Collection location: Franklin Parker Preserve, Chatsworth, New Jersey, USA [Click for map]

Who: I. G. Safonov (IGSafonov)

No specimen available

Two basidicarps growing next to each other under blueberry bushes, pitch pines and young scrub oak.

Dimensions: Cap = ~6cm in diameter; stipe = 6 cm long

The cap is medium dingy yellow.

The pore surface is brownish. Pores are 2-3 per mm, not radially arranged.

The stipe is pale yellow overall, brighter yellow at the apex, covered with purplish or red-brown glandular dots. There is no annulus. Some purplish tones are visible near the base; the lower half has some lemon-yellow discoloration that darken brown over time.

Chemical Tests: KOH = pinkish orange on cap; flashing cherry-red then quickly transitioning to dark red-brown on flesh. NH4OH = pale olive green on cap; flashing blue-green then quickly turning deep olive green on the flesh.

Spore deposit: ochraceous-brown (not en masse)


KOH on cap; the round stop above is an old ammonia stain
NH4OH = left half; 5% KOH = right half; picture taken 15 sec following appliction

Proposed Names

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Add Comment
Yes, Walter
By: I. G. Safonov (IGSafonov)
2013-08-28 20:27:14 CDT (-0500)

That’s what I thought it was, too, till I hit the macro-chemical test section in B-R-B. Oh well…

By: walt sturgeon (Mycowalt)
2013-08-28 20:19:08 CDT (-0500)

Suillus punctipes but macro chemical reactions are all wrong.

Created: 2013-08-28 15:01:03 CDT (-0500)
Last modified: 2013-08-28 15:01:06 CDT (-0500)
Viewed: 14 times, last viewed: 2017-06-16 11:27:13 CDT (-0500)
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