Albizia julibrissin

mimosa, silktree, powderpuff tree, silk tree
Family

Fabaceae

Leaf Arrangement

alternate

Leaf Type

bipinnate, compound, dissected

Growth Form

tree

Flower Color

green

Flower Month

May - August

Height (meters)

10.0 - 12.0

Milky Sap

No

Armed/Unarmed

Unarmed

Origin

introduced

Lifespan

perennial

Growing Season

Warm season

Leaf Retention

Deciduous


Prairie Coefficient of Conservatism

-1

Field Characters

Tree with spreading branches growing to a height of 12 m, fruit is a 12 – 20 cm long legume, flower has numerous pink stamen, leaves alternate and bipinnately compound with leaflets that are conspicuously asymmetrical, twigs green to gray and covered with lenticles. Paniculate heads composed of 15-25 sessile flowers. Showy red or pink stamens. Fruit is a wrinkled legume 3-5" long.

Cultural Information

Propagation is best by seed. Seeds average 11,000 per pound and germination ranges from 25 to 30% (Vines 1960).

Animal Use

Seeds may be eaten by birds and squirrels. The flowers are frequented by several species of humming bird and butterflies.

Natural History

An escape from cultivation. Widely planted as an ornamental. Often found on fence rows and old fields.

Habitat

Fencerows and old fields.