Of the Evening Primrose family (Onograceae), the Ludwigia polycarpa.
"Ludwigia Jussiaeoides. 1. a flower with two sepals and all the petals cut off; 2. a calyx and inferior…
Of the Evening Primrose family (Onograceae), the water purslane (Ludwigia palustris).
Of the Evening Primrose family (Onograceae), the seedbox (Ludwigia alternifolia).