oblanceolate -- top wider than bottom

A leaf is compound when multiple leaflets are on the same stem.

lobe -- Being divided by clefts.

achene -- a type of simple dry fruit produced by many species of flowering plants. For example, a rose hip holds a few achenes.

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

obovate -- Teardrop-shaped, stem attaches to tapering point.

Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom.

terminal -- Located at the end (the tip or the apex).

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.

pinnate -- A compound leaf with two rows of leaflets.

palmate -- Consisting of leaflets or lobes radiating from the base of the leaf.

leaflets -- Each little leaf-like thing in a compound leaf is a leaflet.

A perennial plant lives and blooms for many years.