Hakea incrassata, commonly known as marble hakea, is a shrub in the family Proteaceae and is endemic to Western Australia.
Hakea incrassata is a spreading or low compact shrub typically growing to a height of 0.35to and forms a lignotuber. The branchlets have white flattened and matted fine hairs. The flat, rigid and evergreen leaves are twisted at the base and have a narrowly obovate shape and are 1.1to in length and 3to wide. It blooms from June to November and produces white-cream-pink flowers. Each axillary inflorescence is usually found arising from old wood and contains 6 to 16 flowers. The perianth is around 23NaN3 in length and covered with stiff white to pale brown hairs. The pistil has a length of 1.9to. Following flowering globular smooth or black-pusticulate fruit form that are 1.7to in length with about the same width. The seeds within have a wing around the body which is 12to long.[1]
Hakea incrassata was first formally described by the botanist Robert Brown in 1830 as part of the work Supplementum primum prodromi florae Novae Hollandiae.[2] [3] The only known synonym is Hakea leucadendron as described by Carl Meissner.[4] The specific epithet is from the Latin word crassatus meaning thickened. It is not known what is being referred to but it is thought it could be in reference to the stalk that the fruit is supported by.[1]
Marble hakea is endemic throughout a large area of the Wheatbelt, Great Southern and Goldfields-Esperance regions of Western Australia from Northampton in the north west to Ravensthorpe in the south east. It is found in open low heath communities[1] where it is found in sandy or gravelly soils around or over laterite or granite.