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Glossary of commonly used botanical terms and their definitions. Use the search bar below to look up a botanical term.

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10 Random Botanical Terms

Spike - Flowers are attached directly to the main stem; no pedicels are present. The youngest flowers or buds are at the top. Spp. Abbreviation for plural of "species."

Provides Nesting Materials/Structure for Native Bees - A plant that native bees nest beneath, within, or harvest parts from to construct their nests.

Sepals - Parts that surround the petals, stamens, and pistil; usually green and leaflike. Sometimes they are the same size, shape, and color as the petals; as in Cooperia pedunculata (rain lily), in which case both sepals and petals are called sepals.

Palmate - Divided or radiating from one point, resembling a hand with the fingers spread. Leaves may be palmately compound and/or palmately lobed; they may also have palmate venation.

Actinomorphic - Refers to flowers that can be divided into equal halves along any axis (radially symmetric).

Dioecious - With male and female reproductive structures on separate plants.

Filament - Stalk of stamen; bears the anther.

Ray - The outer irregular flowers in the heads of many Compositae (Sunflower Family). Each has a single, tongue-shaped corolla.

Tendril - A slender coiling or twining structure modified from a leaf, branch, or other organ.

Endemic - Occurring naturally only in a single geographic area.