In this article we will discuss about Calyx in plants:- 1. Meaning of Calyx 2. Forms of Calyx. Meaning of Calyx: The outer whorl of perianth consisting of sepals is called calyx. 1. Polysepalous: When calyx lobes or sepals are free, e.g., Cassia. 2. Gamosepalous: When calyx lobes or sepals are fused or united, e.g., […]