TREE rarely exceeding 10 m or so in cultivation. LEAVES alternate, mostly 10-20 cm long, 3-5 cm broad, varying in shape from entire to deeply 2-5-lobed, dark green above and ?silvery-hairy or waxy-blue below. LEAF STALK about 5 mm long and swollen at the base. FLOWER CLUSTERS 10-20 cm long, 4-5 cm wide, the FLOWERS in pairs, creamy white, pinkish at first, sweet-smelling; spring. FRUIT 2-3 cm long, opening on one side to release 1-4 winged seeds.
Flowers mostly in spring, G. hilliana flowers early summer. Will grow in Melbourne but is tender when young and smaller in stature.
Flowers irregular, arising directly from the axis; seeds flattened and winged. Differs from G. hilliana in having generally grey, not rusty, young shoots and in having a prominent, not small, gland at the base of the ovary which contains 4 ovules, not 2 as in Grevillea. Pedicels 5-7 mm long (not 2-3 mm).
VIC: Balwyn (Maranoa Gds); Melbourne (Royal Bot. Gds, Qld bed).
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.