Kacang babi merupakan tumbuhan semusim dari famili Fabaceae (suku polong-polongan). Tumbuhan ini berasal dari bioma beriklim sedang dan merupakan hasil kultivasi dari Iran hingga Afghanistan. Nama ilmiah Vicia faba pertama kali dipublikasikan oleh botanis Carolus Linnaeus dalam Species Plantarum tahun 1753.
Faba bona subsp. equina (Medik.) Soják Faba equina Medik. Faba major Desf. Faba major var. longisiliqua Poit. Faba major var. minor Poit. Faba major var. viridis Poit. Faba minor Roxb. Faba sativa Bernh. Faba vulgaris var. agrorum Alef. Faba vulgaris var. albida Alef. Faba vulgaris var. albiflora Alef. Faba vulgaris var. arcuata Alef. Faba vulgaris var. atra Alef. Faba vulgaris var. atriflora Alef. Faba vulgaris var. atropurpurea Alef. Faba vulgaris var. aurorea Alef. Faba vulgaris var. circularis Alef. Faba vulgaris var. equina (Medik.) Lej. Faba vulgaris var. flabellata Alef. Faba vulgaris var. fuliginiflora Alef. Faba vulgaris var. hortensis Lej. Faba vulgaris var. humillima Alef. Faba vulgaris var. macrocarpa Alef. Faba vulgaris var. macrochloris Alef. Faba vulgaris var. macrosperma Alef. Faba vulgaris var. major Nois. Faba vulgaris var. mazagana Alef. Faba vulgaris var. mediolana Alef. Faba vulgaris var. megalosperma Alef. Faba vulgaris var. microchloris Alef.
POWO (2024). "Plants of the World Online. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; https://powo.science.kew.org/."
IPNI (2024). "International Plant Names Index. Published on the Internet http://www.ipni.org, The Royal Botanic Gardens, Kew, Harvard University Herbaria & Libraries, and Australian National Herbarium"
USDA - NRCS (2024). "United States Department of Agriculture - Natural Resources Conservation Service", Plant Profile.
