Shrub to 3 m tall with smooth bark. Leaves alternate, narrowly elliptic, obovate or linear, to 5 cm long and 2 cm wide, with a pointed tip; margins entire or toothed, curled under. Flower cone cylindrical, 5-15 cm long, 4-6 cm wide. Perianth about 2 cm long, pinkish mauve at first, becoming pale yellow at flowering; Jan-June. Style pale yellow, curved upwards. Fruits numerous, 1-2 cm long.
SE NSW, E Vic.
B. marginata has leaves that are notched or abruptly tapered at the tip.
Source: (2002). Proteaceae. In: . Horticultural Flora of South-eastern Australia. Volume 3. Flowering plants. Dicotyledons. Part 2. The identification of garden and cultivated plants. University of New South Wales Press.