Origin of calyptra
Related formsca·lyp·trate [kuh-lip-treyt] /kəˈlɪp treɪt/, adjective
Examples from the Web for calyptra
Capsule filling the involucre, circumscissile in the middle, the calyptra persistent at its base.
If not preserved in an envelope the calyptra and operculum are very apt to fall off and become lost.
In Calyptra Equestris, it has two prominent points, and is described as bi-furcated (fig. 18).A Conchological Manual|George Brettingham Sowerby
Calyp′trate, furnished with such; Calyp′triform, Calyptrimor′phous, having the form of a calyptra.
The calyptra or veil is remarkably small, smooth, and membranous.Lachesis Lapponica|Carl von Linn