Grevillea wilkinsonii

This shrub in the protea family (Proteaceae) is a member of the diverse genus Grevillea, characterised by clusters of distinctive flowers adapted to attract nectar-feeding birds and insects, which act as pollinators. Like other Grevillea species, it produces tough, leathery foliage suited to the nutrient-poor soils typical of Australian ecosystems, and it contributes to local ecological networks by providing nectar resources and structural habitat for small fauna along riparian and rocky corridors.

The species is restricted to Australia, where it occurs in a narrow range associated with permanent rivers and streams as well as rocky terrain. This dependence on specific riparian and lithic microhabitats limits its distribution and makes it vulnerable to localised disturbance.

Its Critically Endangered status reflects a combination of ongoing pressures. Livestock grazing and ranching degrade streamside vegetation and compact soils, while conversion of land for annual and perennial non-timber crops reduces available habitat. Broader habitat shifting and alteration, compounded by recurring droughts, place additional stress on populations already confined to limited sites.

Storms and flooding events can damage or destroy plants growing along watercourses, and altered fire regimes—whether from fire suppression or increased fire frequency—further threaten regeneration.

Conservation attention for this species is consistent with broader efforts applied to threatened Grevillea taxa in Australia, including habitat protection measures, monitoring of remaining populations, and management of grazing and fire regimes within its known range. Seed banking and ex situ propagation are commonly used tools for critically endangered Grevillea species facing similar pressures.

Given its restricted range, multiple concurrent threats, and continuing population decline, the species' long-term outlook remains precarious without sustained habitat protection and active management.