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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

Runcinate - Leaf having incised margins with the lobes or teeth curved toward the base.

Stem - The main axis of a plant.

Obovate - Inversely ovate, with the narrower end of the leaf blade toward the branch.

Acuminate - Gradually tapering to a point.

Bipinnate - Twice-pinnate.

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

Pistil - The seed-producing or female organ, consisting of ovary, style, and stigma; usually located in the center of the flower.

Toothed - Said of petals or leaves having margins more or less sharply indented.

Peltate - Leaf shape that is round or rounded with the petiole attachment on the abaxial leaf surface and not on a leaf edge.

Venation - The arrangement of veins within a leaf.

Stamens - The male parts of the flower, carrying the pollen. usually in the center of the blossom and surrounding the pistil, if present. Filaments and anthers collectively.

Style - The stalk-like part of the pistil, connecting the ovary and the stigma.

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.

Bilateral symmetry - Usually referencing flower structure, descripes a plant part or parts that may be divided along a single plane forming two mirror-image halves; zygomorphic, irregular flower.

Rachis - The axis of a pinnately compound leaf.