Ludwigia octovalvis

mexican primrose-willow, mexican primrosewillow, narrow-leaf water primrose, seedbox, mexican primrose willow
Family

Onagraceae

Leaf Arrangement

alternate

Leaf Type

simple

Leaf Shape

lanceolate, ovate

Growth Form

forb, shrub

Flower Color

yellow

Flower Petals

4

Flower Month

July - October

Height (meters)

1.0

Milky Sap

No

Armed/Unarmed

Unarmed

Origin

native

Lifespan

annual, perennial


Wetland Class

OBL

Wetland Coefficient of Conservatism

3

Field Characters

Capsules linear oblong and somewhat 4 angled, petals 4-5, sepals 4. An annual in parts of its range where frost can be severe. Long seed pod. Stems hairy at top sometimes. Black stipules near leaf base.

Habitat

Swamps.