This species is characterized by its glabrescent habit, short rounded stipules, petiolate medium-sized thin-textured leaves with crypt-type domatia, pedunculate somewhat short paniculiform inflorescences with the flowers shortly pedicellate in cymes, somewhat developed denticulate calyx limbs, medium-sized corollas with the tube about as long as the lobes and corniform appendages, and ellipsoid fruits. The corolla lobes are unsual in their short hornlike appedages borne at the tips or abaxially just near the tips. These appendages are spreading in bud, giving the tip of the bud a star-like shape. The fruits are at least sometimes laterally flattened.