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Clearly visible webby partial veil (cortina), hiding the stalk. A veil or velum, in mycology, is one of several structures in fungi, especially the thin membrane that covers the cap and stalk of an immature mushroom. [1] Veils fall into two categories: Partial veil; Universal veil
In the immature fruit bodies of some basidiomycete fungi, the partial veil extends from the stem surface to the cap margin and shields the gills during development, and later breaks to expose the mature gills. The presence, absence, or structure of the partial veil is an aid to identification of mushrooms. [2]
In mycology, a universal veil is a temporary membranous tissue that fully envelops immature fruiting bodies of certain gilled mushrooms. [1] The developing Caesar's mushroom ( Amanita caesarea ), for example, which may resemble a small white sphere at this point, is protected by this structure.
The rehydrated mushroom can also be stuffed and cooked. [53] Phallus indusiatus has been cultivated on a commercial scale in China since 1979. [49] In the Fujian Province of China—known for a thriving mushroom industry that cultivates 45 species of edible fungi—P. indusiatus is produced in the counties of Fuan, Jianou, and Ningde. [54]
Young mushrooms have a membranous partial veil extending from the upper stem to the cap margin; as the mushroom grows, the partial veil tears to leave a flimsy, skirt-like, easily lost ring on the stem. At the base of the stem is a white volva (a remnant of the universal veil that covered the immature mushroom) that usually forms a small, free rim.
(1) is the universal veil, the outer layer protecting the developing basidioma; (4) is the volva, the remnant of the universal veil at the base of the basidioma. In mycology , a volva is a cup-like structure at the base of a mushroom that is a remnant of the universal veil , [ 1 ] or the remains of the peridium that encloses the immature fruit ...
It has a partial veil, or ring circling the upper stalk, and the gills are "free", not attached to the stalk. Perhaps the most telltale of the features is the presence of a volva, or universal veil, so called because it is a membrane that encapsulates the entire mushroom, rather like an egg, when it is very young. This structure breaks as the ...
Remnants of a ring often persist on the stipe until maturity, as well as bits of the universal veil that once enclosed the immature mushroom. [11] The ring is often stained dark brown from the spores falling from the gills. [12] The ellipsoid to almond-shaped spores measure 10–13 by 5.4–6.9 μm, [11] and turn yellowish brown in KOH. Western ...