Vachellia sphaerocephala

Bull's Horn Thorn
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Rosids
Order:	Fabales
Family:	Fabaceae
Genus:	Vachellia
Species:	V. sphaerocephala
Binomial name
	Vachellia sphaerocephala; (Schltdl. & Cham.) Seigler & Ebinger
Synonyms
	Acacia sphaerocephala Schltdl. & Cham.;

Vachellia sphaerocephala (bull's horn thorn or bee wattle) is a plant of the family Fabaceae. The name comes from the shape of the thorns which do indeed resemble the horns of a bull. The tree has a strong, symbiotic relationship with a species of stinging ant, Pseudomyrmex ferruginea.^[2] This tree is endemic to Mexico.^[3]

References

^ Seigler DS, Ebinger JE. (2005). "New combinations in the genus Vachellia (Fabaceae: Mimosoideae) from the New World". Phytologia. 87 (3): 139–78.
^ Whitney. H.M. and B.J. Glover. 2007. Coevolution: Plant–Insect. Encyclopedia of Life Sciences, 1–7
^ Encyclopedia of Life

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[Seigler-1] Seigler DS, Ebinger JE. (2005). "New combinations in the genus Vachellia (Fabaceae: Mimosoideae) from the New World". Phytologia. 87 (3): 139–78.

[2] Whitney. H.M. and B.J. Glover. 2007. Coevolution: Plant–Insect. Encyclopedia of Life Sciences, 1–7

[3] Encyclopedia of Life

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