Perianth segments united for c. 1/3–1/2 their length, equal, narrowly triangular, acute, each with a dorsal apiculus 1–2 mm. long from just below the apex, pink or purple inside, green outside.
Seeds 2-several in each loculus, rugose, with more than 20 transverse wrinkles.
Flowers solitary, up to 8 mm. long, sessile.
Leaves alternate (by reduction), subopposite or opposite; leaf-lamina 7–23 × 2–5 mm., narrowly elliptic or elliptic-oblong, slightly succulent, with petiole up to 6 mm. long, scarious-winged at the base.
Stems up to 50 cm. long, pale coloured, coarsely papillose becoming rough, not rooting at the nodes.
Fruit pointed, the lower part thickened.
Ovary of 2 carpels, 2-locular, with 2 styles.