Chamaecrista fasciculata (Michx.) Greene
Family: Fabaceae
golden cassia, locust-weed, partridge pea, sleeping-plant
Chamaecrista fasciculata image
Scott B. Sauer  
Etymology: Chamaecrista: from Greek, meaning "low crest"
Plants: erect, annual, 4"-36" tall forb with fine hairs
Leaves: alternate, pinnately-divided into 5-18 pair of leaflets
Flowers: yellow, 5-parted, 1/2"-3/4" wide, petals mostly equal, 4 with red at the base and 10 very unequal stamens; inflorescence a 1"-6", leafy cluster (raceme) of stalked flowers; blooms July-Sept.
Fruits: flat, straight, pod readily opening when mature
Habitat: full to partial sun; dry; meadows, prairies, inland sands; in sandy, loamy soil
Conservation Status: Native