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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

Endangered - An animal or plant species in danger of extinction throughout all or a significant portion of its range.

Endemic - Occurring naturally only in a single geographic area.

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

Monoecious - A plant or plant species producing male and female reproductive structures on the same plant but on separate flowers.

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.

Emarginate - Having a shallow notch at the tip.

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

Calyx - The sepals taken collectively. These may be distinct, or joined to form a cup or tube; they may be of any color but are usually green. When the calyx is present, it encloses the other parts of the flower in bud.

Tubercle - A more or less pyramidal knob rising from the stem surface of a cactus and having an areole on or near its summit.

Needle - The long and narrow leaf of pines and related species.

Venation - The arrangement of veins within a leaf.

Evergreen - Remaining green and leafy through the winter.

Involucre - A whorl of distinct or united leaves or bracts beneath a flower or cluster of flowers commonly found especially on species in Asteraceae but also in Apiaceae, Dipsacaceae and Polygonaceae. Also a bract or bract pair subtending the inflorescence of some members of Betulaceae, especially Carpinus and Corylus.

Vine - Plants that climb by twining, tendrils, or clinging.