Male and female plants different,male plants to about 1m tall, female plants to about 1.5 m. Leaves of male plants to 4 cm long, 0.5 cm wide, of female plants to 7 cm long, 1.4 cm wide. Male flower heads 1.3 cm long, with long, stiff white hairs. Female flower heads 2.8 cm long, forming a cone, with the floral bracts fused in a single spiral.
S Africa (Cape).
Female cone bracts thick and hard in a single spiral. Has by far the largest winged fruit in the genus.
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.