Other names: Sicklepod senna, java bean, blunt-leaf senna
Life cycle: Summer annual
Found in: Throughout the southeastern U.S. and north to eastern Kansas, Illinois and Michigan.
General description: Erect invasive plant with yellow flowers and a long narrow seedpod. Grows
1 feet to 6 feet high.
Seedlings: Cotyledons are rounded with three to five distinctive veins.
True leaves: Consist of four to six leaflets arranged oppositely from one another and then arranged alternately up the stem. One inch to 3½" long and egg-shaped.
Flowers and fruit: Flowers are yellow and occur on stalks that arise between stems and leaves. Fruit is a legume-like pod, 4" to 8" long, containing brown, angular seeds.
Special note: Invasive plant.