labellum(redirected from labelloid)
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The median membrane of the corolla of an orchid often differing in size and morphology from the other two petals.
A prolongation of the labrum in certain beetles and true bugs.
In Diptera, either of a pair of sensitive fleshy lobes consisting of the expanded end of the labium.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.