Kaliwatan sa sitaw ang Senegalia rostrata.^[1] Una ning gihulagway ni Alexander von Humboldt, Aimé Bonpland ug Carl Ludwig von Willdenow, ug gihatagan sa eksakto nga ngalan ni Seigler ug Ebinger.^[2] Ang Senegalia rostrata sakop sa kahenera nga Senegalia, ug kabanay nga sitaw.^[1][3]

Kini nga matang hayop na sabwag sa:

• America
• Habagatang Amerika
• Brasil
• Venezuela
• Colombia
• Surinam

Walay nalista nga matang nga sama niini.^[1]

1. ↑ ^{1.0 1.1 1.2} Roskov Y., Kunze T., Orrell T., Abucay L., Paglinawan L., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Decock W., De Wever A., Didžiulis V. (ed) (2019). "Species 2000 & ITIS Catalogue of Life: 2019 Annual Checklist". Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-884X. TaxonID: 42880298. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Seigler & Ebinger (2006) , In: Phytologia 88(1): 71 (2006)
3. ↑ Maslin B. (2019). WWW: World Wide Wattle (version 2, Jan 2018). In: Species 2000 & ITIS Catalogue of Life, 2019 Annual Checklist (Roskov Y., Ower G., Orrell T., Nicolson D., Bailly N., Kirk P.M., Bourgoin T., DeWalt R.E., Decock W., Nieukerken E. van, Zarucchi J., Penev L., eds.). Digital resource at www.catalogueoflife.org/annual-checklist/2019. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-884X.