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Botanical Glossary

Glossary of commonly used botanical terms and their definitions.

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AcaulescentWithout a distinct stem.
AcheneA dry, usually one-seeded, indehiscent fruit.
AcornA usually one-seeded (occasionally two-seeded) nut enclosed in a hard, leathery shell and subtended by a scaly cup. The fruit of any species in the genera, Quercus or Lithocarpus.
ActinomorphicRefers to flowers that can be divided into equal halves along any axis (radially symmetric).
AcuminateGradually tapering to a point.
AcutePointed apex with margins that form an angle between 45 and 90 degrees.
AGCPAtlantic and Gulf Coastal Plain - NWPL Region
AggregateFruit developed from multiple pistils in a single flower, e.g. raspberry (Rubus spp.).
AlternatePlaced singly at different heights on the stem; not opposite or whorled.alternate.jpg
AndroeciumCollective term for the stamens of one flower.
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