Hakea trifurcata (Sm.) R.Br. Two-leaf Hakea
Trans.Linn.Soc.London 10:183 (1810)

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

Brief Description
Grazyna Paczkowska, Monday 4 September 1995

Rounded or open, non-lignotuberous shrub, 1.5-3 m high, to 3.5 m wide. Fl. white/cream-pink, Apr to Oct. White, grey/brown sand over limestone or laterite, loam, gravel.


Beard’s Provinces: Eremaean Province, South-West Province.

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

IBRA Subregions: Avon Wheatbelt P1, Avon Wheatbelt P2, Dandaragan Plateau, Eastern Mallee, Fitzgerald, Geraldton Hills, Lesueur Sandplain, Northern Jarrah Forest, Perth, Recherche, Southern Cross, Southern Jarrah Forest, Warren, Western Mallee.

IMCRA Regions: Central West Coast, Leeuwin-Naturaliste, WA South Coast.

Local Government Areas (LGAs): Albany, Armadale, Augusta Margaret River, Beverley, Boddington, Boyup Brook, Brookton, Broomehill-Tambellup, Bruce Rock, Busselton, Carnamah, Chapman Valley, Chittering, Collie, Coorow, Corrigin, Cottesloe, Cranbrook, Cuballing, Dandaragan, Denmark, Dowerin, Dundas, Esperance, Gingin, Gnowangerup, Goomalling, Gosnells, Greater Geraldton, Harvey, Irwin, Jerramungup, Joondalup, Kalamunda, Katanning, Kent, Kojonup, Kondinin, Kulin, Kwinana, Lake Grace, Mandurah, Mingenew, Moora, Mundaring, Murray, Narembeen, Narrogin, Northam, Northampton, Perth, Pingelly, Plantagenet, Quairading, Ravensthorpe, Rockingham, Serpentine-Jarrahdale, Shark Bay, Subiaco, Swan, Tammin, Toodyay, Victoria Plains, Wagin, Wanneroo, Waroona, West Arthur, Wickepin, Williams, Wongan-Ballidu, York.

Scientific Description
C. Hollister, N.S. Lander and K.R. Thiele, Tuesday 11 February 2020

Shrubs, 1.5-3 m high; branchlets hairy. Leaves alternate, 20-70 mm mm long, 1-1.5 mm mm wide, glabrous; lamina terete or flat, clearly widest above the middle, once divided, tripartitely divided, entire or divided to the midrib. Inflorescences axillary, cream; pedicels 4-6 mm long. Perianth 8-9 mm long, hairy; ovary glabrous; pistil 8-10 mm long, pollen presenter lateral, style glabrous. Follicles 15-25 mm long, 6-9 mm wide, corky tetrahedral projections (on external surfaces of fruit) absent; seed 13 mm long (including wing), 5-7 mm wide, the wing discontinuous, apical. Flowers in April, May, June, July, August, September or October. Occurs in the Eremaean (ER) or South-west (SW) Botanical Province(s), in the Coolgardie (COO), Geraldton Sandplains (GS), Swan Coastal Plain (SWA), Avon Wheatbelt (AW), Jarrah Forest (JF), Mallee (MAL), Warren (WAR) or Esperance Plains (ESP) IBRA subregion(s).