Opercularia (plant)
Introduction '''''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. Many of the species have an unpleasant odour.Species include:*''Opercularia acolytantha'' *''Opercularia apiciflora'' *''Opercularia aspera''  – coarse stinkweed *''Opercularia diphylla'' *''Opercularia echinocephala''  – bristly-headed stinkweed *''Opercularia hirsuta''  – silky-haired stinkweed *''Opercularia hispidula''  – hairy stinkweed, hispid stinkweed *''Opercularia liberiflora'' *''Opercularia ovata'' *''Opercularia rubioides''  *''Opercularia scabrida'' *''Opercularia spermacocea''  *''Opercularia vaginata''  – dog weed *''Opercularia varia''  – variable stinkweed*''Opercularia volubilis''  – twining stinkweed
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