Glossary: General botanical term

Purdue Arboretum botanical terminology reference and learning database.

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

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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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Showing 162 definitions
Synonyms: Eglandular, Eglandulars, Glands, Glandular, Glandulars

Gland A structure the secretes oily substances. This feature helps describe plant form, function, or identification. Did you know? Sundew leaves use sticky glandular hairs to trap insects, then digest them for nutrients.

Synonyms: bluish powdery coating, Glaucouses, waxy bloom

Glaucous Having a whitish, grayish, or bluish powdery coating. This feature helps describe plant form, function, or identification. Did you know? The bluish coating on blueberries is a natural wax that helps protect the fruit.

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