 These are followed by smoothish ovoid woody seed capsules that are approximately wide ending with an upturned beak..

"Hakea purpurea" was first formally described by William Jackson Hooker in 1848 and published the description in "Journal of an Expedition into the Interior of Tropical Australia".Derived from the Latin "purpureus" meaning 'purple' or 'dull red with a tinge of blue' a reference to the colour of the flowers.