Annual herb up to 20 cm tall. Basal and lower cauline leaves petiolate. Petiole up to 2 cm long. Lamina 13-40 x 5-11 mm, elliptic-lanceolate or oblanceolate. Inflorescence lax. Flowers uniseriate, ebracteate. Calyx 2 mm long, lobes obtuse. Corolla 3 mm long, white, glabrous on the inside, lobes 1-1.3 mm long linear, inflexed; sinuses of lobes with bibbed scales.