Synonyms
Phaseolus firmulus var. crassifolius Hassl.
Phaseolus crassifolius Mart. ex Benth.
Phaseolus firmulus var. genuinus Hassl.
Phaseolus firmulus f. paraguariensis Hassl.
Vigna firmula (Mart. ex Benth.) Maréchal, Mascherpa & Stainier
Phaseolus firmulus Mart. ex Benth.
Phaseolus firmulus f. brasiliensis Hassl.