Small, erect herb. Stem 4 cm high. Leaves densely arranged along whole length of stem, linear, sessile with broad base, clasping stem, 6-9 by 0.1-0.2 mm, acute, only midrib distinct, ciliate along margin and midrib below, with longer hairs towards base. Flowers solitary, terminal. Calyx 2-3 mm long, cleft to the base, lobes lanceolate, acuminate, 1-1.5 mm wide, ciliate along midrib and margin. Corolla glabrous, tube 1.5-2 mm long, lobes orbicular, c. 2.5 mm wide; fornices kidney-shaped, papillate. Stamens 0.5-0.8 mm long, anthers ovoid, 0.5 mm. Nutlets pyramidal, 1 mm long, 0.7 mm wide, with sharp angles, blackish, smooth, shiny.