Spermacoce irwiniana
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Gentianales
- family: Rubiaceae
- genus: Spermacoce
- species: Spermacoce irwiniana
São Desidério
Bahia- Aragarças
Goiás- Barra do Garças
Mato Grosso
Brazil