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BOTANICAL GLOSSARY

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

Apex - The topmost or distal portion of a plant or plant part.

Drupe - Fruit with exocarp or skin, fleshy mesocarp and hardened endocarp with seed inside.

Pistillate flower - A flower with pistils, but no stamens.

Corm - A short, fleshy underground stem, broader than high, producing stems from the base and leaves and flower stems from the top.

Cork - Bark tissue that is harvested for commercial use.

Leaflet - A division or part of a compound leaf.

Follicle - Dry, dehiscent fruit.

Head - A compact cluster of flowers attached to essentially the same point on the peduncle.

Capitulum - An inflorescence composed of multiple florets arranged in a flower head and surrounded by an involucre of bracts as found on many species in Asteraceae.

Flower head - A dense arrangement of flowers arising from a common point, as in Apiaceae, or as in Asteraceae where many ray flowers and/or disc flowers make up one "flower head." See also, Capitulum.

Acute - Pointed apex with margins that form an angle between 45 and 90 degrees.

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

Acaulescent - Without a distinct stem.

Leafless - Without leaves.

Bark - Tough outer covering of trunks or stems of trees, shrubs, and vines.