From
American Heritage Dictionary of the English Language, 5th Edition
Latincalyx, from Ancient Greek κάλυξ (kalux, “case of a bud, husk”).
From
Wiktionary
Calyx Sentence Examples
In his arrangement the last subdivision disappears, and the Dicotyledons fall into two groups, a larger containing those in which both calyx and corolla are present in the flower, and a smaller, Monochlamydeae, representing the Apetalae and Diclines Irregulares of Jussieu.
The bracts on the flower-stalk are either small and scattered or large and leafy, and then placed near the flower, forming a sort of outer calyx or epicalyx.
Flower removed from 2, Calyx.
The calyx and corolla consist of five parts, the stamens are ten in two rows, while the pistil has only two parts developed.
There is thus traced a degradation, as it is called, from a flower with three stamens and three divisions of the calyx, to one with a single bract and a single stamen.