Ludwigia peruviana

Primrose Willow
Family: Onagraceae
Origin: South America
Large shrub 5-10 ft tall

Deciduous shrub to 4 m high. Roots fibrous, shallow. Leaves alternate, rarely opposite, hairy. Stems and lower surface of leaves hairy; showy yellow flowers.

Similar plants:

Ludwigia helminthorrhiza (Bushy Seed Box, Rattlebox )
Ludwigia octovalvis, Jussiaea suffruticosa, Jussiaea erecta (False Primrose, Mexican Primrose Willow, Swamp Primrose)
Ludwigia peploides (Floating Primrose Willow, Creeping Water Primrose, Marsh Purslane)
Ludwigia sp. (Swamp Primrose)

Link to this plant:

https://toptropicals.com/catalog/uid/ludwigia_peruviana.htm