Definitions

1. noun

a ring of hairs or scales surrounding the base of a leaf or a similar structure in certain plants, especially mosses and liverworts

“The perichaete of the moss plant helped protect its delicate leaves from harsh weather conditions.”

2. noun

a sterile leaf that encloses the spore-bearing leaves in certain bryophytes

“The perichaete of the liverwort played a crucial role in spore dispersal and reproduction.”