| Opercularia | |
|---|---|
 | |
| Opercularia echinocephala | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Rubiaceae |
| Genus: | Opercularia Gaertn. |
Opercularia is a genus of perennial and subshrub flowering plants in the family Rubiaceae. There are about 15 species, all of which are endemic to Australia. [1] Many of the species have an unpleasant odour. [1]
Species include: [2]
- Opercularia acolytantha Diels
- Opercularia apiciflora Juss.
- Opercularia aspera Gaertn. – coarse stinkweed [1]
- Opercularia diphylla Gaertn.
- Opercularia echinocephala Benth. – bristly-headed stinkweed [3]
- Opercularia hirsuta Benth. – silky-haired stinkweed [3]
- Opercularia hispidula Endl. – hairy stinkweed, hispid stinkweed [3]
- Opercularia liberiflora F.Muell.
- Opercularia ovata Hook.f.
- Opercularia rubioides Juss.
- Opercularia scabrida Schltdl.
- Opercularia spermacocea Juss.
- Opercularia vaginata Juss. – dog weed [3]
- Opercularia varia Hook.f. – variable stinkweed [1]
- Opercularia volubilis Benth. – twining stinkweed [3]
