A small lid-like structure covering the embryo in some seeds.

Growing above the water surface (aquatic plants).

Having zygomorphic flowers where the plane of symmetry passes through the median line.

A condition where flowers have styles deflected either to the right or left.

An outgrowth from the surface of a plant organ, often scale-like.

Native and restricted to a particular geographic region.

Prefix meaning inner or within.

The innermost layer of the fruit wall (pericarp), often hard or stony.

The innermost layer of the cortex in roots and some stems, regulating water transport.

Originating from within the plant (as opposed to external factors).