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Ludwigia decurrens
Also called Winged Water Primrose
Ludwigia decurrens is a species of flowering plant in the evening primrose family known by the common names willow primrose and wingleaf primrose-willow. It is native to the central and eastern United States.
This species is an annual herb that reaches up to 6 feet (1.8 m) tall, sometimes growing as a perennial by virtue of its partially woody stem. It has an erect form and a winged stem that is angled. The plant is glabrous. The linear leaves are alternately arranged. The sessile leaves are decurrent: they extend down along the stem at their bases. The flower has four yellow petals. The seed capsules may contain up to 1000 seeds per capsule.
Water Primrose · Winged primrose-willow · Seedbox · Ludwigia anastomosans · Cylindricfruit primrose-willow · Large-flower primrose-willow · Floating Ludwigia · Water Primrose · Spindleroot · Seedbox · Ludwigia inclinata · Mexican primrose-willow
Text excerpted from the Wikipedia article Ludwigia decurrens by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
