Erect annual 10-30 cm tall. Stem generally branched above, appressed hairy with subpatent hairs. Fruiting racemes secund. Pedicels 2-3 mm in flower, up to 12 mm in fruit, recurved and gradually thickened upwards. Calyx lobes c. 1.5 long, linear, up to 5 mm in fruit, hairy and with a ± prominent midrib. Coro blue, 2-3 mm long. Nutlets 3-4 mm long, tuberculate. Style slightly exceeding nutlets.