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.