Glabrous, prostrate ephemeral, all parts eventually turning red. Branchlets terete, smooth when fresh but striate when dry. Leaves oblong, subterete, flattened above, 3–10 mm long, c. 1 mm broad. Flowers solitary, sessile or pedicellate. Perianth lobes free to base, triangular with papillose margins, smooth inside, green outside and inside. Stamens 4, alternate with lobes; filaments terete, glabrous. Capsule ovoid with simple valves, membranous; stigma persistent. Seeds comma-shaped, light brown, striated along radicle edge, otherwise smooth, shiny.