| Author | A.St.-Hil. | |
| Distribution | First collected in NC in Wilson County in 2023 by Mark Basinger (NCU448024).
This is a native of South America, specifically in Brazil and Argentina. Weakley (2023a) shows records in the Southeast from FL west to LA and AR.
| |
| Abundance | Very rare; one known record. | |
| Habitat | Not described, but collected "along Mt. Vernon Drive" -- and thus in a ruderal, disturbed habitat. | |
| Phenology | Blooms in April into June; the plant in NC was in flower when collected on June 14. | |
| Identification | This Oxalis has leaflets that can be purple or green, but the flowers are white to pale lavender. Each leaflet is "usually deeply notched" (Weakley 2023a). | |
| Taxonomic Comments | | |
| Other Common Name(s) | Purple Shamrock | |
| State Rank | SE | |
| Global Rank | GNR | |
| State Status | | |
| US Status | | |
| USACE-agcp | | |
| USACE-emp | | |
