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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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15 Random Botanical Terms

Prostrate - Lying flat on the ground.

Scape - A naked flower stem rising from the ground.

Petal - Unit of the corolla.

Decumbent - Lying on the ground but having an ascending tip.

Axil - The upper angle between two structures or organs, as where a leaf or branch joins the stem.

Appressed - Pressed or lying flat against something.

Aril - An outer covering or appendage of some seeds.

Winter annual - An annual species that arises from seed in the summer or fall of one calendar year and completes its life cycle in the spring or summer of the following calendar year. E.g. Texas Bluebonnet, Lupinus texensis.

IUCN - International Union for Conservation of Nature.

Venation - The arrangement of veins within a leaf.

Thorn - A sharp-pointed structure formed by a modified branch.

Apical - Situated at or near the tip.

Imperfect flower - A flower bearing either stamens or pistils, but not both.

Endemic - Occurring naturally only in a single geographic area.

Inflorescence - A group of flowers and associated plant parts.