Scientific Name:
Grevillea robusta A.Cunn. ex R.Br., Suppl. Prodr. Fl. Nov. Holl. 24 (1830)
Vernacular Name(s):
silky oak

Tree to c. 15 m tall, with dark greyish bark. Shoots and lvs reddish brown-tomentose when young, soon becoming grey. Lvs pinnate and fern-like, to c. 30 cm long (including petiole 2–6 cm long); rachis and petiole greyish tomentose with some reddish brown hairs; pinnae (8)–12- c. 20 cm long, deep green and glabrate on upper surface, with greyish white appressed tomentum on lower surface (sparsely hairy and green in juvenile stage), entire and linear to lanceolate or pinnatisect with 1–4 narrow to broadly triangular lobes (narrower in juvenile lvs); apex of entire pinnae and lobes of pinnatisect pinnae acute or mucronate. Infl. a secund, racemose panicle, 10–16 cm long, glabrous except for lower part of rachis. Pedicels 1.3–2 cm long, filiform. Perianth 9–12 mm long, orange or yellow-orange; limb ± ellipsoid, soon revolute under tube. Nectary lobed. Ovary glabrous; stipe c. 3 mm long. Style c. 2 cm long, with a small somewhat oblique cone at apex. Fr. 1.5–2 cm long, very oblique. Seed winged all round.

[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]


Flowering: Oct.–Jan.

Brown, R. 1830: Supplementum Primum Prodromi Florae Novae Hollandiae exhibens Proteaceas novas quas in Australasia. Richard Taylor, London.
Wilcox, M.; Bradshaw, C.; Cameron, E. 2004: Woody plants of the Auckland Domain. Auckland Botanical Society Journal 59(1): 44–56.