Synonyms: Azukia heterophylla; Azukia minima (homotypic); Azukia nakashimae; Azukia riukiuensis; Phaseolus demissus; Phaseolus heterophyllus (heterotypic); Phaseolus luteus (homotypic); Phaseolus minimus (homotypic); Phaseolus minimus f. heterophyllus; Phaseolus minimus f. linealis; Phaseolus minimus f. lobatus; Phaseolus minimus f. rotundifolius; Phaseolus minimus f. typicus; Phaseolus minimus var. borealis; Phaseolus nakashimae; Phaseolus nakashimae f. lobatus; Phaseolus nakashimae var. borealis; Phaseolus riukiuensis; Phaseolus rotundifolius (heterotypic); Vigna lutea var. minor; Vigna minima f. dimorphaphylla; Vigna minima f. dimorphophylla; Vigna minima f. heterophylla; Vigna minima f. linealis; Vigna minima minima; Vigna minima minor; Vigna minima var. minor; Vigna nakashimae; Vigna riukiuensis