"Ludwigia Jussiaeoides. 1. a flower with two sepals and all the petals cut off; 2. a calyx and inferior ovary; 3. a transverse section of the ovary; 4. a seed with the distinct raphe; 5. an embryo extracted." -Lindley. 1853

Wingleaf Primrosewillow

"Ludwigia Jussiaeoides. 1. a flower with two sepals and all the petals cut off; 2. a calyx and inferior…