Scientific details

SCIENTIFIC NAME: Acacia dealbata

 COMMON NAME(S): Mimosa, Silver wattle
SYNONYM(S):
FAMILY: FABACEAE (LEGUMINOSAE) - Pea family
ORIGIN: Australia, but escaped from cultivation in warm parts of Asia and Africa
HABITAT: Dry soils, but enjoys richer habitats; cultivated but now found to have aggressive roots
RANGE: California
TYPE: Evergreen tree or large shrub
HEIGHT: 40', much larger in Australia
CHARACTERISTICS: Bark brown, no spines on branches
LEAVES: Alternate, bipinnate, to 5" long, featherlike; dark green to silvery
FLOWERS: Showy groups of orange-yellow powderpuffs; fragrant
FLOWERING SEASON: Early spring
FRUITS: Black flattened pods to 5" long

ALLERGENIC COMPONENTS: Pollen
ALLERGENIC PRINCIPLES: Pollen allergens
ALLERGENIC PROPERTIES: Respiratory
COMMENTS: Losing favor in California as a landscape tree because of its aggressive root system. This and most of the acacias are primarily insect pollinated, but some allergenicity has been reported.

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