Prostrate to ascending annual with several stems; pilosulose with simple and glandular hairs. Leaves elliptic, obtuse, entire, often undulate; lamina 0.5–1.5 cm long; petiole short. Flower clusters in a narrow cylindrical spike to 15 cm long, subsessile or on thick pedicels c. 0.1 mm long. Terminal flower of cluster bisexual or female; tepals 3, glabrous, c. 1 mm long in fruit, free but persistent, the limb rounded, inflated, claw broad; stamen 1; style 1. Lateral flowers similar to terminal but female. Pericarp minutely granulate-papillose. Seed compressed-globular, c. 0.5 mm high; embryo semicircular, oblique or erect; radicle inferior. Tepals and seed shed as unit.