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Prairie Acacia Acacia angustissima


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Prairie Acacia
© Lady Bird Johnson Wildflower Center

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Alternate name: Prairie Wattle, Fern Acacia, Whiteball Acacia

Family: Fabaceae, Pea view all from this family

Description Prairie wattle or fern acacia is a 1-4 ft., rounded sub-shrub with feathery, deciduous foliage and white, 1/2 in., globe-shaped flower heads on long, upper axillary stalks. This shrub's thornless stems are graceful and wand-like.

Habitat Scrub, shrub & brushlands, Grasslands & prairies.

Range Florida, Southeast, Texas, Plains, Southwest.

Comments The foliage of fern acacia is more impressive than its flowers. The thornless plant makes a good ground cover, colonizing by means of woody rhizomes. Form is variable. After the first hard frost, fern acacia dies to the ground.

Exposure Preference Sun to partial shade.

Flower June - September

Native Distribution Texas & Arkansas, n. to s. Kansas & s. Missouri

Site Preference Hillsides; mesas; sandy prairies & plains

Soil Preference Dry, sandy soils.

Wildlife Value Flowers attract butterflies.