Definitions

1. noun

A propagulum is a bud or bud-like structure that gives rise to a new individual, typically in fungi or certain types of algae.

“The mycologist studied the propagulum of the fungus to understand its life cycle.”

2. noun

More broadly, a propagulum can refer to any structure that initiates the growth of a new individual.

“In some species of algae, the propagulum is responsible for the formation of new colonies.”