A small spreading or rarely suberect many-stemmed annual. Stems 5-20 cm long. Leaves in whorls of about 6, the whorls close, the upper crowded. Leaves 3-4 mm long, 1 mm or less wide, flat, acuminate, aristate. Stipules caducous. Flowers crowded. Pedicels 1-1.5 mm long. Perianth segments rotate-spreading, 1-1.5 mm long, obtuse, the outer almost flat, the inner cucullate. Anthers yellow. Fruit smooth, almost discoid, at the top abruptly narrowed to a smooth flattened often asymmetrical beak 1-1.5 mm long. Fruit falling without the persistent perianth.