Northern Prairie Wildlife Research Center
Southern Wetland Flora
Field Office Guide to Plant Species
Sesbania vesicaria (Jacq.) Elliott
- Family: Pea (Fabaceae)
- Flowering: July-September
- Field Marks: This annual Sesbania differs from other herbaceous members of the genus by
its shorter, 2-seeded pods up to 3 1/2 inches long.
- Habitat: Sandy roadsides, fields, shores, freshwater marshes, disturbed areas.
- Habit: Annual herb with slender roots.
- Stems: Upright, branched, densely white-hairy at first, becoming smooth with age, up to 10
- Leaves: Alternate, pinnately compound with 20-52 leaflets; leaflets oblong to elliptic, rounded
at the tip, rounded or tapering to the base, without teeth, silky-hairy at first, becoming smooth,
up to 1 1/2 inches long, up to 1/4 inch wide.
- Flowers: Several borne in racemes; racemes up to 6 inches long; stalks of the raceme and of
the individual flowers silky-hairy when young, becoming smooth.
- Sepals: 5, green, united below, smooth or short-hairy, up to 1/8 inch long.
- Petals: Sweet-pea shaped, yellow, the largest petal up to 1/2 inch long.
- Stamens: 10, 9 of them united to each other, the other one separate.
- Pistils: Ovary superior.
- Fruits: Pods oblong to elliptic, up to 3 1/2 inches long, up to 1 inch wide; seeds usually 2.
- Notes: The pods usually persist during much of the winter. This species has sometimes been
called Glottidium vesicarium.
Previous Species -- Bulbous Buttercup (Ranunculus bulbosus)
Return to Species List -- Group 6
Next Species -- Trailing Wildbean (Strophostyles helvola)