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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

Areole - A spot in the form of a pit or a raised area on the surface of a cactus through which spines or other structures grow.

Perfect - A flower with both male and female reproductive organs; bisexual, hermaphroditic or monoclinous.

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

Lyrate - A pinnately divided leaf with an enlarged terminal lobe.

Oval - Having the general form, shape, or outline of an egg; egg-shaped.

Bract - A reduced or modified leaf occurring at the base of a flower or group of flowers. Bracts are sometimes arranged in rows, like shingles on a roof, usually closely cupping the blossoms of Asteraceae (Sunflower Family); cf. Phyllary. Sometimes brightly colored or petallike, as in Castilleja spp. (paintbrush), or threadlike, as in Daucus carota (Queen Anne's Lace). ...

Acuminate - Gradually tapering to a point.

Involucel - A bract or bracts subtending an individual flower in a compound inflorescence.

Culm - The hollow stem of grasses and bamboos.

Halophyte - A plant which tolerates a salty environment.

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

Legume - Any of a large group of plants in the pea family (Fabaceae).

Dentate - Sharply toothed, with the teeth pointing straight out from the margin.

Anther - The specialized, pollen-bearing structure of a plant's flower.

Attenuate - A tapering leaf base with concave margins that form an angle less than 45 degrees.