| Author | L. | |
| Distribution | Collected from five widely scattered counties in the Piedmont and Coastal Plain. Likely other populations exist.
Native of South America; in N.A. MA to MI south to FL, TX, and AZ. | |
| Abundance | Very rare, but may be common where found. A very large population (many hundreds) was found in a fallow cropfield in Moore County in 2021. | |
| Habitat | Roadside, railroad, behind greenhouse, landscaping bed, field, fallow cropfield, waste area, atop soil pile. | |
| Phenology | Flowering and fruiting June-September. | |
| Identification | Slender Amaranth has terminal inflorescences (sometimes also in upper leaf axils) and only 2-3 tepals in female flowers (vs. 5 tepals in many other species). It also lacks nodal spines. With this combination of characters it is unique in NC. | |
| Taxonomic Comments | | |
| Other Common Name(s) | | |
| State Rank | SE | |
| Global Rank | GNR | |
| State Status | | |
| US Status | | |
| USACE-agcp | FAC link |
| USACE-emp | FAC link |
