Observation 49004: Scleroderma Pers.

When: 2010-07-23

Collection location: Kalatope wildlife Sanctuary, Dalhousie, Himachal Pradesh, India [Click for map]

Who: Alok Mahendroo (alok)

No specimen available



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Recognized by sight
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S. areolatum
By: Daniel B. Wheeler (Tuberale)
2010-07-30 08:12:50 PDT (-0700)

is a reasonable identification for the first 2 photos, Alak. The problem for me is the third photo: definately a Scleroderma, but not any species I’m currently aware of. S. areolatum, according to Smith, is one of the most widely mycorrhizal species in the Northern Hemisphere, and would reasonably be expected to occur in India. But it is not known to stain or bruise black, as in your last photo. While the black spotting does appear to be done by insects, it is also possible your material is different. Scleroderma can bruise or stain different colors: that is one of the identifying characteristics of the genus. It also usually has a rudimentary sterile base comprised of bundled rhizomorphs that grip the ground tenaciously. Often it is the base that stains or bruises another color. In your collection, there appears to staining or bruising in the base, but does have staining or bruising in the peridium (the outer shell of the sporocarp). Specimens which do not have color in the interior portion (gleba) are typically immature. Scleroderma is common in my area, and forms mycorrhizal associations with both conifera and hardwoods,and many shrubs as well.

Your collection is atypical of what I have found. The spores may shed light on whether it truly is S. areolatum (reasonable) or some other species of Scleroderma.

keys to Scleroderma..
By: Alok Mahendroo (alok)
2010-07-30 07:38:32 PDT (-0700)
Identification features..
By: Alok Mahendroo (alok)
2010-07-30 00:36:57 PDT (-0700)

Do you think the comments given in
http://mushroomobserver.org/23336?q=1IAD hold true for identification purposes if one does not have a microscope..??

By: Alok Mahendroo (alok)
2010-07-30 00:29:15 PDT (-0700)

Sorry Daniel.. Microscopic details are not possible as yet.. I did not find one as yet in these backwaters… :(

Scleroderma, yes.
By: Daniel B. Wheeler (Tuberale)
2010-07-29 15:31:05 PDT (-0700)

S. areolatum should not have a blackening peridium as shown here. Would like to see microscopy of spores, if possible.

Created: 2010-07-24 10:11:53 PDT (-0700)
Last modified: 2010-07-30 07:24:18 PDT (-0700)
Viewed: 40 times, last viewed: 2018-07-16 10:41:25 PDT (-0700)
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