Acer negundo
box elder, box elder maple
Specimens
Photos

Distribution: Occurring chiefly east of the Cascades in Washington; widely distributed throughout much of North America.

Habitat: Occasionally escapes from cultivation, chiefly in disturbed areas or riparian zones.

Flowers: April-June

Origin: Introduced from eastern North America, escaped from cultivation

Conservation Status: Not of concern

Description:
General:

Trees are 20 meters tall, dioecious. Bark is yellowish-brown to grayish-brown.

Leaves:

Leaves are deciduous; 10-25cm in length and pinnate in shape, papery in texture. Petiolules are 5-7cm at rachis linkage.

Inflorecences:

No more info on Flora of North America, seek additional information on Flora of China for general Box Elder descriptors

Flowers:

No more info on Flora of North America, seek additional information on Flora of China for general Box Elder descriptors

Fruits:

No more info on Flora of North America, seek additional information on Flora of China for general Box Elder descriptors

Accepted Name:
Acer negundo L.
Publication: Sp. Pl. 2: 1056. 1753. 1753.

Synonyms & Misapplications:
Acer fraxinifolium Nutt. [VPPNW3]
Acer negundo L. var. negundo
Acer negundo L. var. violaceum (G. Kirchn.) H. Jaeger
Acer nuttallii Lyon [VPPNW3]
Negundo aceroides (L.) Moench
Negundo aceroides (L.) Moench ssp. violaceum (G. Kirchn.) W.A. Weber
Negundo negundo (L.) Karst.
Negundo nuttallii Rydb. Bull. [VPPNW3]
Rulac nuttallii Nieuwl. [VPPNW3]
Additional Resources:

PNW Herbaria: Specimen records of Acer negundo in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Acer negundo checklist entry.

E-Flora BC: Acer negundo atlas page.

CalPhotos: Acer negundo photos.

USDA Plants: Acer negundo information.

31 photographs:
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