Growing on mud in tidal saltmarsh. Single opposite leaves, stems prostrate, only 2 sepals?
Stoloniferous with broad fleshy leaves and terminal bulbils/buds. Moderately large (maybe 100-1000 plants) population in a seep among grasses with Hosackia pinnata, Erythranthe, and Camassias.
Iona Island, Richmond, BC, Canada