(Opercularia echinocephala)

Opercularia echinocephala (bristly headed stinkweed) is a species of plant within the genus, Opercularia, in the Rubiaceae family. It is endemic to the south-west of Western Australia. O. echinocephala is a spreading perennial from 0.1 to 1.3 m high which grows on flat plains and river banks on sands and lateritic soils. Its green/ pink flowers are seen from August to November. It is found in the IBRA regions of Esperance Plains, Jarrah Forest, Swan Coastal Plain and Warren.
