Vachellia tortuosa, the twisted acacia , poponax or huisachillo, is a woody, leguminous thorn tree of the Caribbean, Florida, southern Texas, northeastern and central Mexico, and northern South America. It is found in tropical and desert habitats, such as the Rio Grande Valley, Central Mexican Plateau, and Colombian Tatacoa Desert.USDA distribution map . accessed 4.4.2011Discover Life.org: Vachellia tortuosa (as Acacia tortuosa—Poponax) distribution map . accessed 4.4.2011Plantmaps.com: distribution map—Twisted acacia in Mexico . accessed 4.4.2011Atlas of Florida Vascular Plants: Vachellia tortuosa (as Acacia tortuosa) . accessed 4.4.2011

Description Vachellia tortuosa is a shrub - small tree to tall. Stipular spines: may be fused at bases. Leaves: compound, 4-8 pairs of segments, 15-20 pairs of leaflets; petiolar gland elliptic. Yellow flowers; stamens numerous. Fruit: a slender moniliform, slightly curved.

References

External links

USDA Profile for Vachellia tortuosa (as Acacia tortuosa)