Opercularia (plant)

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]

Opercularia
Opercularia echinocephala
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Gentianales
Family:	Rubiaceae
Genus:	Opercularia Gaertn.

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]