Herbs; stems slender with elongated internodes, prostrate, rooting

at nodes. Leaves 1.2–4.0 cm across, orbicular or reniform, cordate at

base; petioles 1–2.5 cm long. Flowers pink, in fascicled, bracteate

umbels. Fruits 0.4 cm long, ovoid, rugose with persistent corolla–crown;

mericarps with 7–9 ridges.