Synonyms: Bigelovia gracilis; Bigelovia laevicaulis; Bigelovia ocymoides (homotypic); Bigelovia parviflora; Bigelovia stricta; Bigelovia tenera; Borreria laevicaulis; Borreria ocymoides (homotypic); Borreria ocymoides var. minorifolia; Borreria ocymoides var. thekkumalensis; Borreria stricta (heterotypic); Borreria trichantha; Spermacoce aspera (heterotypic); Spermacoce hirta (heterotypic); Spermacoce laevis (heterotypic); Spermacoce microphylla (homotypic); Spermacoce ramosa; Spermacoce stricta (heterotypic); Spermacoce tenera; Spermacoce trichantha; Tardavel ocymoides (homotypic); Tardavel stricta