Arboretum Botanical Glossary

A botanical reference guide of morphological terms, plant structures, propagation techniques, and campus flora definitions.

368 Botanical Definitions 10 Categories A–Z Alphabetical Index Illustrated Growth Forms

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Explore terms organized by botanical structure, morphology, and arboricultural concepts.

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Illustrated Growth Forms & Tree Silhouettes

Compare visual architectures: fastigiate, columnar, weeping, spreading, and more.

Fastigiate Columnar Pendulous / Weeping
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Synonyms: Dimorphics

Dimorphic Having two different forms, often a juvenile form and an adult form. Did you know? English ivy has different juvenile and adult leaf forms; the adult flowering form has unlobed leaves.

Synonyms: Dissecteds

Dissected Deeply divided into many narrow segments. This feature helps describe plant form, function, or identification. Did you know? Finely dissected leaves, such as some Japanese maples, create a delicate texture valued in garden design.

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