Ludwigia decurrens
wing-leaf primrose-willow, wingleaf water primrose, wingleaf primrose-willow, primrose willow, primrose-willow
Family
Onagraceae
Leaf Arrangement
alternate
Leaf Attachment
sessile
Leaf Type
simple
Leaf Shape
lanceolate
Growth Form
forb
Flower Color
yellow
Flower Petals
4, 5, 6, 7
Flower Month
June - October
Height (meters)
0.9 - 2.0
Milky Sap
No
Armed/Unarmed
Unarmed
Origin
native
Lifespan
annual, perennial
Growing Season
Warm season
Wetland Class
OBL
Wetland Coefficient of Conservatism
4
Prairie Coefficient of Conservatism
1
Field Characters
Leaves without petioles and internodes obviously winged. 4-7 sepals. Purple stems. Look alike: Lythrum alatum- winged stems but opposite leaves.
Natural History
Wingleaf primrose-willow grows in swamps and wet places throughout Louisiana and east Texas.
Habitat
Marshes and ditches, swamps, and wet places, shallow water.