Synaphea oulopha

Synaphea oulopha is a perennial shrub in the family Proteaceae, endemic to Western Australia. Like other members of its genus, it likely produces small yellow flowers arranged along stiff, wiry stems, with divided or lobed leaves adapted to the nutrient-poor soils typical of southwestern Australian ecosystems. Proteaceae species in this region typically support pollination networks involving native insects and birds, and their persistence in the landscape contributes to the structural diversity of understorey vegetation in the heath and shrubland communities they inhabit.

The species is restricted to a limited range within Western Australia, though its specific habitat associations have not been formally assessed. Species within the Synaphea genus are generally found in sandy or gravelly soils within kwongan heathland and woodland ecosystems, often in areas experiencing significant land-use pressure.

Synaphea oulopha is classified as Endangered, with a decreasing population trend. The principal threats are anthropogenic habitat loss and fragmentation driven by mining and quarrying activity, expansion and maintenance of roads and railway infrastructure, and encroachment from housing and urban development. These pressures reduce available habitat, isolate remaining subpopulations, and increase vulnerability to further decline.

Conservation attention for this species is linked to broader efforts in Western Australia to protect Proteaceae flora within remnant native vegetation, including habitat protection measures, land-use planning considerations near known populations, and monitoring by state conservation agencies and botanical researchers. Specific population figures have not been documented in available assessments.

Given the ongoing nature of the threats identified, particularly the continued expansion of mining, infrastructure, and urban development in its range, the species' outlook remains concerning. Without sustained habitat protection and management, further decline is likely.