Plant Morphology

Tetradynamous condition refers to the arrangement of stamens where six stamens are present, four of which are long and two are short. This is a characteristic feature of the Cruciferae (Brassicaceae) family.
- Malvaceae, Solanaceae, and Graminae have different stamen arrangements.

A Planimeter is an instrument used to measure the area of a two-dimensional shape on a plane. In botanical studies, it is commonly used to measure the area of leaves by tracing their outline. It is not used to measure plant growth, thickness of leaves, or the number of stomata.