Premise: Hakea preissii, commonly known as the Needle tree, Needle bush and Christmas hakea, is a shrub or tree of the genus "Hakea" native to an area in the Pilbara, Wheatbelt, Mid West and Goldfields-Esperance regions of Western Australia. The Noongar name for the plant is Tanjinn.
Hypothesis: They only know of a few locations that have this tree.