Question

Where does calyptra originate?

Answer 1

In mosses plant a cup shaped structure which is formed from the archegonium is known as the calyptra. The calyptra is attached to the capsule which will protect the sporophyte.
They originate from the evolution of some other insect and are important for eco- equilibrium.

Hope that this answer will help you

Answer 2

In mosses plant a cup shaped structure which is formed from the archegonium is known as the calyptra. The calyptra is attached to the capsule which will protect the sporophyte.

Hope that this answer will help you