Term:
Monad
Monad
Definition:
A pollen grain that occurs singly. Compare with tetrad.
A pollen grain that occurs singly. Compare with tetrad.
Glossary Details:
Title: Pollen differentiation in Couroupita guianensis.
Description: Pollen differentiation in Couroupita guianensis. A. Left-hand graph shows germination of the two types of pollen in Lecythis pisonis under several different concentrations of sugar used in the germination media. Right-hand graph shows germination of the two types of pollen in Couroupita guianensis in a single germination medium. The pollen in B of Lecythis pisonis is in monads whereas that in C of Couroupita guianensis is in tetrads.