- the membranous envelope that encloses the base of various mushrooms formed when the velum ruptures.
Origin of volva
1745–55; < Latin: covering, akin to volvere to roll, wrap
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for volva
The genus has neither a volva nor a ring and the spores are white.The Mushroom, Edible and Otherwise
M. E. Hard
In Lepiota naucinoides, as in all the Lepiotas, the volva is wanting.
The volva and ring, or annulus, are not always present in mushrooms.
A part of the volva 145 remains as a sheath at the base of the stem.
In the brown variety the stem and ring are often tinged with brown, as also the volva.
- botany a cup-shaped structure that sheathes the base of the stalk of certain mushrooms
C18: from Latin: a covering, from volvere to wrap
- A cuplike structure around the base of the stalk of certain basidiomycete fungi.
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