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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

Ovate - Shaped like an egg, with the narrow end at the apex.

Unisexual - A flower that possesses either stamens or carpels but not both.

Capitulescence - The inflorescence of a capitulum-bearing plant as in many species in Asteraceae.

Sap - Watery fluid that circulates through a plant carrying sugars, minerals and nutrients.

Floret - A small flower, especially one in a dense cluster.

Endemic - Occurring naturally only in a single geographic area.

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

Solitary - Borne singly; alone.

Raceme - An inflorescence in which each flower is attached to the main stalk by a short stem (pedicel). The youngest flowers, at the tip, may continue to develop while those below are forming fruit.

Orbicular - Circular or nearly so.

Lobe - Part or segment of a flower or leaf; a deep indentation that does not break the continuity of the structure.

Asymmetric - Lacking symmetry, e.g., the two halves of a leaf blade not alike.

Pendulous - Suspended, hanging.

Rib (of cactus) - A ridge; a raised surface running vertically or sometimes spiraling, and bearing areoles in a row along its summit. Often thought of as being composed of more or less united tubercles which may be evident as bulging masses along it.

Infructescence - A group of fruits and associated parts arising from an inflorescence. An inflorescence with mature or maturing fruit.

© 2015 Lady Bird Johnson Wildflower Center