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

An umbel is a collection of flowers on short stalks which spread from a common point, somewhat like umbrella ribs. The arrangement can vary from being flat-topped to almost spherical.

A perennial plant lives and blooms for many years.

carpel -- the basic female reproductive organ in flowering plants, consisting of the stigma, style, and ovary.

serrate -- toothed with asymmetrical teeth pointing forward; like the cutting edge of a saw.

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.

glabrous -- smooth, glossy, having no bristles or hair-like structures. Bald.

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

The botanical term "berry" is different from common usage. Strawberries and raspberries are not berries. But a tomatoe is. A true berry is a fruit with the seeds immersed in the pulp.

drupe -- A fruit in which an outer fleshy part surrounds a hardened shell containing a seed. A peach is a drupe. A raspberry is composed of drupelets.

petiole -- the stalk of a leaf.

whorled -- The leaves are arranged in whorls of 3 or more leaves along the stems of a plant.

dioecious -- When male and female reproductive structures are on separate plants.

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

rhizome -- root-like stems that may either grow horizontally at the soil surface or in other orientations underground.