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Gyromitra infula

Gyromitra infula - Fungi species | sokos jishebi | სოკოს ჯიშები

Gyromitra infula

Pileus
Cap 3.0-8.0 cm tall, 3.0-9.0 cm broad, saddle-shaped, ie. two-lobed, occasionally 3 to 4 lobed, the tips usually well elevated above the stipe apex, fertile upper surface more or less glabrous, wavy to irregularly bumpy, but not wrinkled; margin curved toward the stipe and typically fused with it at several points; cap yellowish-brown, vinaceous-brown, to reddish-brown; lower cap surface paler, minutely tomentose; context, thin, brittle; odor and taste not distinctive.

Stipe
Stipe 2.0-6.0 cm long, 1.0-2.5 cm thick, equal to enlarged at the base, stuffed or hollow, round to compressed, sometimes with a longitudinal fold, surface glabrous to subpubescent, the base often overgrown with whitish mycelium; stipe colored like the cap or lighter, i.e. various shades of brown from vinaceous-brown to reddish-brown, sometimes tinged lilac.

Spores
Spores 17-20 x 7-9 µm, ellipsoid-oblong, smooth, thin-walled, with 2 oil droplets.

Habitat
Solitary to gregarious in conifer woods, occasional with hardwoods, fruiting on well-decayed wood, humus-rich soils, disturbed ground, or in burned areas; appearing in late fall in the Sierra, winter and spring along the coast.

Edibility
Potentially deadly, especially raw. This mushroom contains monomethylhydrazine. See comments about MMH under Gyromitra esculenta.

Comments
Of the several species of Gyromitra that occur in California, G. infula is the most easily recognized with a saddle-shaped, brown to reddish-brown cap and stipe. Like Gyromitra esculenta it contains monomethylhydrazine (MMH) and should be avoided. See "Comments" under Gyromitra esculenta for distinguishing features of that species, Gyromitra montana and Gyromitra californica. Gyromitra infula is mostly likely to be confused with saddle-shaped species of Helvella with smooth stipes. e.g. Helvella compressa and H. elastica. These species can be separated by their greyer caps and pallid stipes. If in doubt, a spore examination will confirm an identification, at least to genus. The spores of Gyromitras, including Gyromitra infula, have two oil droplets, while those of Helvellas have a single droplet.

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