Hakea nodosa

Hakea nodosa is a woody shrub in the family Proteaceae, typically growing to around 2 metres in height, with rigid, needle-like or narrow-oblong leaves and small clusters of yellow, honey-scented flowers that emerge from the leaf axils, giving rise to the species' knotted, nodular appearance along its stems. Following flowering, it produces hard, woody seed capsules (follicles) that persist on the plant and can remain closed for extended periods, releasing seed after fire or other disturbance—a common regenerative strategy among hakeas. Its flowers provide nectar for insects and birds, contributing to pollinator networks within its native shrubland communities.

The species is endemic to Australia, where it occurs in shrubland habitats, often in heathy or heath-woodland vegetation associated with sandy or nutrient-poor soils typical of southeastern Australian ecosystems.

The primary documented threat to Hakea nodosa is the ongoing conversion and disturbance of habitat associated with annual and perennial non-timber crop agriculture, which reduces and fragments the shrubland areas the species depends on. This pressure has contributed to a decreasing population trend.

Conservation attention for Hakea nodosa is linked to broader efforts to protect remnant shrubland and heath vegetation in Australia, including habitat protection within conservation reserves and land-use planning measures aimed at limiting further agricultural encroachment on native vegetation. Specific targeted recovery programs for this species are not widely documented.

Currently listed as Vulnerable, Hakea nodosa faces a continuing decline linked to habitat loss from agricultural expansion. Without measures to curb further habitat conversion, the species' population trajectory is likely to remain downward.