0 the outer part of a flower formed by the sepals (= the separate outer parts), which covers and protects the petals, etc. as they develop
If we examine a blossom bud just before it opens we will see only the calyx.
In the buttercup and mustard the calyx is divided into separate parts called sepals.
The flowers usually have a calyx, and may have only stamens or carpels, or both.
We call this cloak the calyx, because when it opens it looks like a cup, and the word calyx means cup.
When the petals fall, the calyx is open and this is the time to spray.
The cotyledons and corolla of a plant are worked on by an expansive force, while the calyx and coronas are affected by a contractive force.
Some seeds are starchy, and some have resiny calyx tubes while others have thick ones.
Uninfested fruits were not entered by females except in the case of apple where they entered through the calyx.