Habitat:

Ponds

Location relative to water:

Rooted underwater, emergent body

Leaves:

• Toothed to pinnately divided
• Petioles short or absent

Flowers:

• Grow in racemes at ends of stems or from lateral branches
• Sepals green to yellow
• Petals yellow or white, shorter or longer than sepals

Fruit:

• Short, cylindrical to linear pod
• Usually two-chambered
• Seeds in rows