Description The River Banksia is one of the largest banksias and may occur as a large shrub or tree growing up to twenty metres tall. It has a fairly straight grey trunk with hard bark. The leaves are long narrow ovals growing to 20 cm long with fairly widely spaced teeth. It produces yellow flower spikes up to 20 cm in length and 7 cm in diameter in autumn and winter. Some plants produce red flowers. the fruit is a woody cone that remain son the tree for years.
Habitat grows on sand dunes and forest along edges of rivers and other watercourses
Distribution Banksia seminuda is found in the far south west corner of Western Australia from south of Perth to Albany,