Corm - A short swollen underground stem that serves as an organ of perennation and of vegetative propagation in such genera as Crocus and Gladiolus.

Dioecious - Having the male and female reproductive organs on separate plants (of the same species) rather than different parts of the same plant.

Endemic -  Describing a plant species that grows in a specific area and has a restricted distribution.

Geophyte - A plant with its perennating buds situated below ground on a rhizome, tuber, bulb, or corm.

Glabrous - Describing a surface that is devoid of hairs or other projections.

Papilla - A minute projection on the surface of a stigma, petal, or leaf.

Petiole - Is the stalk attaching the leaf blade to the stem.

Rhizome - A horizontal, usually underground stem that often sends out roots and shoots from its nodes.

Tomentum - A covering of closely matted or fine hairs on plant leaves.

Whorl - A ring of parts arising from the same level on an axis.