Sigmatanthus

Sigmatanthus is a monotypic genus of flowering plants belonging to the family Rutaceae. The only species is Sigmatanthus trifoliatus.^[1]

Sigmatanthus
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Sapindales
Family:	Rutaceae
Subfamily:	Zanthoxyloideae
Genus:	Sigmatanthus Huber ex Emmerich
Species:	S. trifoliatus
Binomial name
Sigmatanthus trifoliatus Huber ex Emmerich

The species is found in Northern and Northeastern Brazil.^[1]