Mexican butterfly-vine
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Malpighiales
- family: Malpighiaceae
- genus: Callaeum
- species: Callaeum macropterum
Armería
Colima- Monterrey
Nuevo León- Villa Unión
Sinaloa
Mexico
Denver
Colorado
United States