Blooms: April-June
Habit: tree
Duration: perennial
Origin: Introducted from east coast, escaped from cultivation.
Distribution: Chiefly east of the Cascades in Washington; widely distributed throughout North America.
Habitat: Occasionally escapes from cultivation, chiefly in disturbed areas or riparian zones.
Habit: tree
Duration: perennial
Origin: Introducted from east coast, escaped from cultivation.
Distribution: Chiefly east of the Cascades in Washington; widely distributed throughout North America.
Habitat: Occasionally escapes from cultivation, chiefly in disturbed areas or riparian zones.
Species Description:
General: Pale greenish tree up to 20 m. tall, the young branches glabrous to finely pubescent.
Leaves: Leaves trifoliate, the leaflets oblong-lanceolate to oblanceolate, coarsely few-toothed.
Flowers: Plant dioecious; staminate flowers in dense axillary clusters on slender pedicels 1-4 cm. long, sepals and stamens 4-5, petals and disk absent; pistillate flowers in axillary 6- to 15-flowered racemes, petals, disk, and staminal rudiments lacking; style 1, short, the stigmas elongate.
Fruits: Samaras pubescent, the wings divergent less than 90°.
General: Pale greenish tree up to 20 m. tall, the young branches glabrous to finely pubescent.
Leaves: Leaves trifoliate, the leaflets oblong-lanceolate to oblanceolate, coarsely few-toothed.
Flowers: Plant dioecious; staminate flowers in dense axillary clusters on slender pedicels 1-4 cm. long, sepals and stamens 4-5, petals and disk absent; pistillate flowers in axillary 6- to 15-flowered racemes, petals, disk, and staminal rudiments lacking; style 1, short, the stigmas elongate.
Fruits: Samaras pubescent, the wings divergent less than 90°.
Accepted Name:
Acer negundo L.Synonyms:
(none)
Treated in Flora of the PNW as:
Acer negundo
Additional Resources:
PNW Herbaria Specimens: View list of Acer negundo specimens in the Consortium of Pacific Northwest Herbaria database.
WTU Herbarium Specimens: View list of Acer negundo specimens in the WTU Herbarium database.
Washington Flora Checklist: Acer negundo treatment.
E-Flora BC: Acer negundo atlas page.
CalPhotos: Acer negundo images.
USDA Plants Database: Acer negundo.
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
G. D. Carr, 1988
G. D. Carr, 1988
G. D. Carr, 1988
G. D. Carr, 1988
G. D. Carr, 1988
Warren Walker, 2009
Warren Walker, 2009
Warren Walker, 2009
Warren Walker, 2009
Clayton J. Antieau, 2008
Clayton J. Antieau, 2008
Robert L. Carr, 2010
Robert L. Carr, 2010
Robert L. Carr, 2010
Robert L. Carr, 2010
Ben Legler, 2007
Ben Legler, 2007
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 WA Native Plant Society |
