Observation 12180: Scleroderma cepa Pers.
When: 2008-10-07
No herbarium specimen

Notes: The very hard, solid texture of S. cepa is hard to confuse with any other Scleroderma, except, perhaps S. laeve. This is a young specimen, of perhaps 50 seen today. This is the first close-up of the gleba I’ve seen, and it’s kimd of interesting, at least to me.

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Peridium about 1.5mm thick
By: Daniel B. Wheeler (Tuberale)
2008-10-08 17:52:56 CDT (-0400)

Mostly gleba is immature at this point. Both S. cepa and S. laeve mature much more slowly than other Sclerodermas, in my experience. S. areolatum can go from nearly pure white to powdered purplish in 2 weeks. S. cepa takes 3-4 weeks unless the temperature is above 80 degrees. Since I find neither of these until the temperature has risen to at least 80 degrees, and more often 90 degrees, there is a definate temperature requirement in their fruiting cycles.

wow, what a thick peridium!
By: Debbie Viess (amanitarita)
2008-10-08 15:38:36 CDT (-0400)

or is some of that white just undeveloped spore mass?

Created: 2008-10-08 15:34:54 CDT (-0400)
Last modified: 2008-10-08 15:34:54 CDT (-0400)
Viewed: 13 times, last viewed: 2016-03-20 20:21:42 CDT (-0400)