nerves -- Another name for a vein.

A perennial plant lives and blooms for many years.

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.

capsule -- a type of simple, dry fruit produced by many species of flowering plants. In most cases the capsule splits apart to release seeds.

spatulate -- spoon-shaped.

Glands are plant structures that secrete liquids, salts or other substances. Glands often appear as hairs with a drop of liquid at the end.

calyx -- the sepals of a flower, typically forming a whorl that encloses the petals and forms a protective layer around a flower in bud.

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

basal leaves -- a leaf that grows lowest on the stem of a plant.

inflated -- Swollen. Looks unusually large.

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

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

oblong -- Having an elongated form with somewhat parallel sides. Rectangular.