volva
[vol-vuh]
- the membranous envelope that encloses the base of various mushrooms formed when the velum ruptures.
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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
Historical Examples of volva
The genus has neither a volva nor a ring and the spores are white.
The Mushroom, Edible and OtherwiseM. 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.
Among the MushroomsEllen M. Dallas and Caroline A. Burgin
A part of the volva 145 remains as a sheath at the base of the stem.
Among the MushroomsEllen M. Dallas and Caroline A. Burgin
In the brown variety the stem and ring are often tinged with brown, as also the volva.
volva
- botany a cup-shaped structure that sheathes the base of the stalk of certain mushrooms
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Word Origin for volva
C18: from Latin: a covering, from volvere to wrap
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
volva
[vŏl′və, vôl′-]
- A cuplike structure around the base of the stalk of certain basidiomycete fungi.
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The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.