| Author | Roth | |
| Distribution | Coastal Plain, Sandhills, and southern/eastern Piedmont (with gaps).
Native of Southern Asia; in N.A. VA to MO south to FL and TX. | |
| Abundance | Frequent, except uncommon in the Piedmont. | |
| Habitat | Roadsides, fallow fields, crop fields, waste ground, disturbed places. | |
| Phenology | Flowering July-September. | |
| Identification | Leaves of Showy Rattlebox are not divided into leaflets, the corolla is large (1.7-3.0 cm long), and the pods are glabrous. From C. retusa it may be told by its larger leaves (5-15 cm long vs. 4-8 cm long). When in bloom, this is a very conspicuous plant, though sadly it is not a native species. | |
| Taxonomic Comments | | |
| Other Common Name(s) | | |
| State Rank | SE | |
| Global Rank | GNR | |
| State Status | | |
| US Status | | |
| USACE-agcp | FACU link |
| USACE-emp | FACU link |
