stamen -- the pollen-producing reproductive organ of a flower; The stamen consists of an anther supported by a filament.

style -- This is a long and thread-like structure that connects the stigma with the ovary. A flower may have a single style, or several of them.

lobe -- Being divided by clefts.

A herb is a plant whose stems die back to the ground in the winter.

In an opposite leaf arrangement the leaves come in pairs with one leaf on each side of a stem.

Bracts are modified leaves associated with a flower.

a small nut. A nut being a hard, dry fruit containing only one seed that does not open at maturity.

Like the teeth on a saw, leaves and other surfaces can have toothed edges.

fruit -- any seed-bearing structure in flowering plants. It is formed from the ovary after flowering.

lanceolate -- Lance-shaped. Long, wider in the middle.

A perennial plant lives and blooms for many years.