| Gomphocalyx | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Embryophytes |
| Clade: | Tracheophytes |
| Clade: | Spermatophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Rubiaceae |
| Subfamily: | Rubioideae |
| Tribe: | Spermacoceae |
| Genus: | Gomphocalyx Baker |
| Species: | G. herniarioides
|
| Binomial name | |
| Gomphocalyx herniarioides | |
Gomphocalyx is a monotypic genus of flowering plants in the family Rubiaceae. The genus contains only one species, viz. Gomphocalyx herniarioides, which is endemic to Madagascar.1