Uncommon, the vesicular Pézize develops mainly in the dung of horses. Its scientific name means “placed on the ground with a vesicle”.
Scientific N. Peziza vesiculosa
Synonyms Aleuria vesiculosa, Galactinia vesiculosa, Oedocephalum pallidum
Hat globose and firm then cup-shaped, pale brown cream, D. 2 10 cm
Spores white spore
Pied very short or absent
Chair thin, fragile and easily brittle, whitish
Come back absent
Habitat and uses
Division France, Northern Hemisphere
Priodefrom mid-spring to mid-fall
Habitaton manure, mainly on horse dung, on mulch in mushroom beds
Possible confusionPeziza varia, Peziza domiciliana, Peziza succosa
Ascomycete of the family of the Pézizaceae, the vesicular Pézize develops mainly within horse dung. Its Latin name Peziza vesiculosa means ” lying on the ground with a vesicle “. This species is quite unusual in our regions.
Description of the vesicular pézize
This small, completely cream to pale brown mushroom first appears in a globular and closed form, then opens and takes the shape of a cup 2 to 10 cm in diameter. This cup called apothecia corresponds to the sporophore, to the visible part of the vesicular Pézize. In this species, it is irregular, more or less round or elongated. The fertile inner part of the cup is rather smooth and may become rusty with age. On the contrary, the outer part is slightly paler, grainy and pruinose. The margin is wavy, jagged and often curved.
Like many Pézizes she has a very short foot, most of the time non-existent. The whitish flesh being thin and brittle is easily brittle. It does not emit any particular smell or flavor.
Determination of Peziza vesiculosa
Its cream to pale brown shades coupled with its particular living environment in excrement and mulch allow identification of Peziza vesiculosa almost certain. Indeed, very few Pézizes combine these colors and this living environment, many of them can then be discarded. This is the case of Peziza varies and Peziza domiciliana both showing similar colors but growing on dead hardwood and damp walls, respectively.
However, sometimes a mistake can occur with yellow milk Pézize, Juicy fish which thrives on soil rich in humus and is thus sometimes found on the manure. However, knowing that it exudes a yellow milk at the break, it is easy to differentiate it from the vesicular Pézize.
This unusual Pézize grows on soils rich in organic matter. Indeed, his mycelium formed of fine filaments likes these compounds and then spreads in manure, dung, mainly that of horses as well as in the mulch of mushroom beds. Dense colonies can thus be found in agricultural or cultivated areas during the summer, from mid-spring to mid-autumn.
Toxicity or culinary interest
All Pézizes are raw toxic but some can be tasted after a long cooking. However, for many amateurs this species is not worth the detour because of its poor distribution in unappealing environments as well as its low culinary interest.
Did you know?
The vesicular pezize contains hemolysin, which when the fungus is believed causes a hemolytic syndrome. It results in a destruction of red blood cells but also in digestive disorders and nausea appearing 3 hours after ingestion and which can continue for 24 hours. During prolonged cooking the hemolysin is destroyed, which is why all edible Pézizes must first be cooked.
Species and varieties of Peziza
Peziza vesiculosa is composed of two varieties:
- Peziza vesiculosa var. minor
- Peziza vesiculosa var. saccata
Caution : The information, photos and indications on this site are published for informational purposes only and should in no case replace the advice of a professional mycologist for the identification of fungi. Only with proper training or confirmation by a knowledgeable mycologist can you reliably identify a fungus. If in doubt, refrain from consuming a mushroom! The site cannot therefore be held responsible in the event of poisoning by the fungi present.
Source: Au Jardin, conseils en jardinage by www.aujardin.info.
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