Hakea undulata R.Br. Wavy-leaved Hakea
Trans.Linn.Soc.London 10:185 (1810)

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

Brief Description
Grazyna Paczkowska, Monday 4 September 1995

Erect, often straggly, non-lignotuberous shrub, 1-2 m high. Fl. white, Jul to Oct. White or grey sand, clay, loam, gravel, laterite.

Distribution

Beard’s Provinces: South-West Province.

IBRA Regions: Avon Wheatbelt, Esperance Plains, Geraldton Sandplains, Jarrah Forest, Swan Coastal Plain.

IBRA Subregions: Avon Wheatbelt P2, Fitzgerald, Lesueur Sandplain, Northern Jarrah Forest, Perth, Southern Jarrah Forest.

IMCRA Regions: WA South Coast.

Local Government Areas (LGAs): Albany, Armadale, Beverley, Boddington, Boyup Brook, Bridgetown-Greenbushes, Brookton, Chittering, Collie, Cranbrook, Cuballing, Dandaragan, Denmark, Gingin, Gnowangerup, Gosnells, Jerramungup, Kalamunda, Kojonup, Mandurah, Mundaring, Murray, Narrogin, Perth, Plantagenet, Serpentine-Jarrahdale, Swan, Toodyay, Wagin, Wandering, West Arthur, Williams, York.

Scientific Description
Chris Hollister, Nicholas Lander and Kevin Thiele, Friday 20 July 2018

Shrubs, 1-2 m high; branchlets glabrous or hairy. Leaves alternate, (40-)50-120 mm mm long, 15-60(-65) mm mm wide, glabrous; lamina flat, clearly widest above the middle, once divided, pinnately divided, shallowly divided. Inflorescences axillary, cream; pedicels 4-5 mm long. Perianth 4-5 mm long, glabrous; ovary glabrous; pistil 3-4 mm long, pollen presenter conical, style glabrous. Follicles 23-30 mm long, 10-15 mm wide, corky tetrahedral projections (on external surfaces of fruit) absent; seed 15-18 mm long (including wing), 6-7 mm wide, the wing discontinuous, marginal, extending down one lateral side only. Flowers in July, August, September or October. Occurs in the South-west (SW) Botanical Province(s), in the Geraldton Sandplains (GS), Swan Coastal Plain (SWA), Avon Wheatbelt (AW), Jarrah Forest (JF) or Esperance Plains (ESP) IBRA subregion(s).