ash: Quick Facts

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The Information Architects of Encyclopaedia Britannica

Last updated

Oct. 16, 2026

Facts

Also Known As	Fraxinus

Photos

Green ash tree in autumn

Branches of a common green ash tree, Fraxinus pennsylvanica, with clusters of green leaves and hanging seed pods against a clear blue sky.

Adult emerald ash borer

Four-panel image showing the same ash tree in different seasons: budding in spring, full green leaves in summer, turning leaves in autumn, and bare with snow in winter.

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Topics

Chinese ash white ash Oregon ash Mexican ash green ash flowering ash European ash blue ash black ash emerald ash borer maple poplar birch teak oak chestnut beech buckeye alder elm

Venus's-flytrap. Venus's-flytrap (Dionaea muscipula) one of the best known of the meat-eating plants. Carnivorous plant, Venus flytrap, Venus fly trap

Plants: From Cute to Carnivorous

Field of baobab trees, Madagascar. (bottle tree)

Trees of the World

Spreading oak tree in summer. (green, leaves, deciduous, shade)

Trees: Giants Holding the Sky