| Author | (Thunberg) Matsumura & Nakai |  | 
| Distribution | Scattered across the state, mostly in the outer Coastal Plain. 
 Native of Asia and Africa; in N.A. ME to IL, KS, and NV, south to FL, TX, and CA.
 |  | 
| Abundance | Uncommon in parts of the Coastal Plain; rare westward. |  | 
| Habitat | Roadsides, crop fields, old fields, horse trail parking lot, maritime thickets, waste ground, dump. |  | 
| Phenology | Flowering June-frost; fruiting August-frost. |  | 
| Identification | Watermelon needs no description, as far as the fruit goes.  The plants are prostrate creepers or climbers, up to 6 feet or more long.  Leaves are well-spaced, palmately or pinnately 3 or 5 lobed.  Tendrils occur opposite each leaf -- hardly needed as it grows along the ground!  Flowers are yellow, the petals only 7-16 mm long. |  | 
| Taxonomic Comments |  |  | 
| Other Common Name(s) |  |  | 
| State Rank | SE |  | 
| Global Rank | GNR |  | 
| State Status |  |  | 
| US Status |  |  | 
| USACE-agcp | UPL link | 
| USACE-emp | UPL link |