Stems procumbent and rooting at nodes, to erect, simple, sparsely hirsute with minute sessile yellow glands above to subglabrous and eglandular below.
Stamens with anthers shortly stipitate; posterior filaments 0.5 mm. long, anterior 1 mm. long, all glabrous.
Calyx 4.5 mm. long, glabrous, not striate at maturity; lobes 2 mm. long, lanceolate-acuminate.
Flowers sessile, solitary in upper leaf-axils; bracteoles about 2.5 mm. long, glabrous.
Corolla 7.5–9 mm. long, purple, densely villous within.
Annual up to about 6 cm. tall.
Style 4 mm. long.
Capsule unknown.