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Leaves - summer Willow Lake near dog park Sue Smith | Leaves - summer Willow Lake near dog park Sue Smith | Flowers Sedona area Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA) | Seed pods Willow Lake near dog park Sue Smith | Bark Willow Lake near dog park Sue Smith | |
Origin: Introduced General Description: Deciduous. Hardy, potentially large tree; rounded, spreading, open crown of stout branches and coarse foliage; grows up to 8 feet per year. Thrives under adverse conditions. Trunk diameter to 2 feet. Capable of spreading from seeds or suckers. Often in clusters. Identification notes: Deciduous introduced tree; leaves are alternate pinnately compound, unpleasantly odorous when rubbed, on thick smooth stalks; leaflets 11 to 41, margins toothed, dark green on top and paler underneath, opposite; fruits winged and reddish to tan. Height: 50 to 80 feet Width: 80 feet
Habitat Description: Occurs on floodplains and other disturbed sites, riparian areas, open woodlands and forests, and rock outcrops. Plant Communities: Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Montane Conifer Forest, Riparian, Disturbed Areas Elevation: 2000 - 6000 feet
Color: Yellowish-green to white  Shape: Regular in elongated clusters
 Tubular: N  Flowering Period: May - Jul Description: Flowers 1/4 inch long with 5 petals in large dense terminal clusters 6 to 12 inches long. Male flowers have an objectionable odor. Flowers can be male only with 10 stamens, male and female flowers with 2 to 3 stamens or female flowers only.
Leaf Color: Green  Type: Compound  Shape: Narrow  Margin: Toothed  Attachment: Alternate  Hairs: N Description: Dark green above but pale beneath. Pinnately compound, 1 to 2 feet long with 11 to 41 leaflets. Paired leaflets are 3 to 5 inches long, 1 to 2 inches wide, broadly lanced-shaped, pointed and toothed at base. Each tooth is paired with a gland.
Color: Light brown  Type: Winged  Description: Appear on plant in flat, twisted, paper-like wings, dispersed by wind. Seeds can stay on branch for a long time. Reddish when young.
Bark Color: Light brown to dark gray  Bark Texture (Mature): Rough  Bark and Branch Description: Thin. Smooth when young but becomes rough, fissured and dark gray with age. Weak branches are easily broken by storms. Twigs are light brown and very stout with fine hairs when young. Buds are small, hairy and brown. Spines, thorns or prickles: N |
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