Grevillea pteridifolia Knight Silky Grevillea
Cult.Prot. 121 (1809)

Conservation Code: Not threatened
Naturalised Status: Native to Western Australia
Name Status: Current

Brief Description
Grazyna Paczkowska, Tuesday 15 August 1995

Tree or shrub, 4-10(-18) m high. Fl. orange, Apr to Jul or Dec. Yellow sand, sandstone.

Distribution

Beard’s Provinces: Northern Province.

IBRA Regions: Central Kimberley, Dampierland, Northern Kimberley, Victoria Bonaparte.

IBRA Subregions: Berkeley, Fitzroy Trough, Mitchell, Pentecost, Victoria Bonaparte P1.

IMCRA Regions: Kimberley.

Local Government Areas (LGAs): Derby-West Kimberley, Wyndham-East Kimberley.

Scientific Description
Chris Hollister, Nicholas Lander and Kevin Thiele, Saturday 10 November 2018

Trees or Shrubs, 2-15 m high; branchlets hairy, with a glaucous bloom or not glaucous. Leaves alternate, 250-450 mm mm long, hairy, on the abaxial surface, the hairs straight; lamina flat, once divided, pinnately divided, divided to the midrib; lobes 150-250 mm long, 1-10 mm wide, the margins revolute, exposing the lower surface of the leaf blade or enclosing the lower surface of the leaf blade, forming a groove either side of the midvein. Inflorescences axillary or terminal, green, white, orange or grey; pedicels 4-7 mm long. Perianth 7-10 mm long; tepals all free after flower opens, hairy, simple-hairy; ovary hairy, sessile; pistil 25-30 mm long, yellow or orange, pollen presenter oblique, style glabrous. Follicles hairy, not viscid, dehiscent, 14-21 mm long. Flowers in May, June, July, August, September, October, November or December. Occurs in the Northern (N) Botanical Province(s), in the Northern Kimberley (NK), Victoria Bonaparte (VB), Central Kimberley (CK) or Dampierland (DL) IBRA subregion(s).