Annuals 6-11 cm tall. Stems purple, erect, striate, simple or few branched. Basal leaves with petiole flattened, 2-2.5 mm; leaf blade spatulate-oblong to obovate, (3-)5-9 × (1.5-) 2-3 mm, base narrowed, apex obtuse to rounded, veins indistinct. Stem leaves sessile; middle leaves oblong, 6-9 × 2-3 mm, base slightly contracted and connate, apex obtuse, midvein abaxially distinct; upper leaves ovate-oblong to ovate, to 12 × 4 mm, base narrowed and free, apex obtuse. Inflorescences umbel-like, terminal, subtended by a whorl of 4 leaves; flowers also in axillary clusters. Flower 5merous, variable in size. Pedicel 1.5-3 mm. Calyx 5-6 mm when young; lobes spatulate-oblong to oblong, 6-8 mm, base slightly narrowed, apex obtuse, veins 3 and indistinct. Corolla blue, tubular, 8-10 mm; lobes ovate, 4-4.5 mm, apex acute and mucronate. Nectaries 10, oblong. Filaments less than 1 mm; anthers blue, ellipsoid, 1-1.5 mm. Ovary ovoid-ellipsoid, 4-6 mm. Style short; stigma lobes small. Fl. Jul.
Home