gloxinia noun4 •Any of the three species of South American plants of the genera Gloxinia in family Gesneriaceae. •Brazilian gloxinia (Sinningia speciosa), a plant species formerly classified in the genus Gloxinia, in the family Gesneriaceae. •Creeping gloxinia (Lophospermum erubescens), in the family Plantaginaceae. •Hardy gloxinia (Incarvillea delavayi), in the family Bignoniaceae. formsgloxinias
