A genetic process in bacteria where DNA is not incorporated into the chromosome; not related to botany.

A plant hormone involved in many developmental processes and stress responses, including seed dormancy and stomatal closure.

The natural detachment of parts of a plant, typically dead leaves and ripe fruit.

A layer of cells at the base of a plant organ that facilitates abscission.

The lowest temperature possible, 0 Kelvin; referenced in physical sciences, not specific to botany.