Grevillea wickhamii (Wickham's Grevillea, Arajukaljukua, Ijaka or Lukkulburra) is an erect shrub or small tree to 6 metres in height which is endemic to Western Australia, Northern Territory and Queensland. It has grey-green leaves which have a holly-like shape. There are a number of subspecies which have flowers in a wide range of colours including red, pink, orange and yellow. They are as follows: