Ludwigia repens
creeping primrose-willow, creeping primrosewillow, creeping waterpurslane, floating primrose-willow, water primrose, water-primrose
Family
Onagraceae
Leaf Arrangement
opposite
Leaf Attachment
petiolate
Leaf Margin
entire
Leaf Type
simple
Leaf Shape
elliptic, subrotund
Growth Form
forb
Flower Color
yellow
Flower Petals
no petals
Flower Month
July - September
Milky Sap
No
Armed/Unarmed
Unarmed
Origin
native
Lifespan
perennial
Wetland Class
OBL
Field Characters
Creeping wetland plant. Floral tube or capsule with pair of bractlets at base. Petioles, floral tube, and calyx purple. Sepals 4, no petals. Very similar to L. palustris (forms mats on mud).
Habitat
Muddy or sandy stream banks, ponds, lakes, ditches.