The name “Acaciella” means a diminutive form of an Acacia or "similar to" or "like", while angustissima means “most narrow”
Acaciella angustissima
Prairie Acacia
Fabaceae: Legume Family
Deciduous, delicate looking shrub, growing 3x3’. Plants don’t branch much but colonize (spread) by means of woody rhizomes. Flowers spring through summer with white puffball flowers, followed by legume pods. This is a widespread species with many varieties including some that become trees. Our native variety is var. suffretescens.
Plant in full to part sun, provide moderate water, hardy to 10°F.
Excellent nectar plant for pollinators. Larval food plant for MANY butterfly and moth species: Mexican Yellow (Abaeis mexicana)
Ceraunus Blue (Hemiargus ceraunus ssp. gyas)
Acacia skipper (Cogia hippalus ssp. hippalus)
Gold-Costa Skipper (Cogia caicus ssp. moschus)
Raspa Small Silkmoth (Syssphinx raspa)
Formerly this plant was known as Acacia angustissima.
Found on gravelly soils, often on slopes from 3,000-6,500 ft. Missouri to Texas and Arizona; south to Guatemala; also southern Florida. Several subspecies of this taxon—our subspecies stays short to the ground at about 3’, but others can grow into small trees (in the tropics).