but is described as "S of Cataby Roadhouse, Brand Highway, Western Australia, c. . Ecology Very little is known of the ecology of B. prionophylla. Like most other Proteaceae, it has proteoid roots, roots with dense clusters of short lateral rootlets that form a mat in the soil just below the leaf litter. These enhance solubilisation of nutrients, thus allowing nutrient uptake in low-nutrient soils such as the phosphorus-deficient native soils of Australia. It also has a lignotuber, from which it can resprout after bushfire. Beyond this, the only ecological knowledge of the species is that inflorescences are heavily predated by insects during hot weather; when first collected in 2002, nearly all inflorescences showed some insect damage. Because only a single, small population is known, it is rated "Priority One - Poorly known taxa" on Western Australia's Department of Environment and Conservation's Declared Rare and Priority Flora List. Cultivation Very little is known of this species in cultivation. It is assumed to prefer well-drained, heavy soil and an aspect of full or near full sun. Its natural habitat suggests that it would be only moderately frost-tolerant, and will tolerate drought only after it is well established. References External links prionophylla Endemic flora of Western Australia