Ludwigia L.

Sepals persisting on to fruiting stage. Petals yellow. Aquatics or swamp plants Ludwigia
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Prostrate, glabrous to villous herb, rooting at the nodes. Leaves ± petiolate with vesicular stipules, lanceolate to obovate, mostly 3–6 cm long. Seeds embedded in the ovary wall. Coast and Cumberland Plain. Wet situations or in ponds or creeks. Introd. from S. America. Fl. summer–autumn. Water Primrose Ludwigia peploidesmontevidensis
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Erect shrubs, seeds free from fruit