Corolla yellow 7–8 mm. long, tube c. 3 mm. long, lobes c. 4 mm. long.
Seeds 1.6 x 0.9 mm., lenticular, with strongly convex faces.
Flowers few c. 4, heterostylous; pedicels c. 20 mm. long.
Small herb, probably annual without floating stolons.
Capsule c. 3 x 2.7 mm., obovoid, 3–4 or less seeded.
Calyx c. 3 mm. long.