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blackbrush acacia
Scientific Name: Acacia rigidula
Family: Fabaceae
Category: Dicot
Growth: Tree, Shrub
Duration: Perennial
Other Names:
Vachellia rigidula (Blackbrush Acacia)
Vachellia rigidula, also known as Acacia rigidula, is commonly called Blackbrush Acacia or Chaparro Prieto. It's a shrub or small tree native to the southern United States and Mexico.
Considerations for Pets
- This plant is a thorny shrub.
Considerations for Children
- This plant is a thorny shrub, often forming dense thickets.
Taxonomy and Nomenclature
- Scientific Name: Vachellia rigidula (Benth.) Seigler & Ebinger (accepted name)
- Synonym: Acacia rigidula Benth.
- Family: Fabaceae (Legume Family)
- Kingdom: Plantae
- Taxonomic Rank: Species
Distribution and Habitat
- Native to the southern USA (specifically Texas and Arizona) and Mexico.
- Found growing on rocky ridges in west and southwest Texas and northern Mexico.
- Habitat includes scrub, shrub and brushlands, deserts, and grasslands & prairies.
- It occurs on limestone hills at elevations between 1100 and 2000 feet.
Ecological Role
- Invasion of rootplowed rangeland by Blackbrush Acacia is a problem in south Texas.
Morphological Characteristics and Growth Habits
- It is a shrub or small tree.
- Slow-growing but vigorous, blackbrush acacia suckers readily.
- A medium-sized, deciduous, thorny shrub with multiple basal stems and whitish-to-dark-gray branches that frequently forms dense thickets.
- Possesses white or fragrant white blooms.
Quirky Facts
- The champion Blackbrush Acacia of Arizona made its debut on the list of American Forests Champion Trees in 1999, as it is the largest known tree of its species.