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Service Notice

The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not reflected in Florabase, herbarium collections, or in the census. We are hoping to be able to reinstate services around December 15; we will provide an update at that time.

The notice period started at 9:00 am on Wednesday, 1 October 2025 +08:00 and will end at 12:00 pm on Monday, 15 December 2025 +08:00.

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Hakea prostrata R.Br.
Harsh Hakea

Reference
Trans.Linn.Soc.London 10:184 (1810)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Erect to spreading or prostrate, non-lignotuberous shrub, 1-3 m high. Fl. white-cream, Jul to Oct. Sandy soils, often over laterite, loam, gravel. Hillslopes, granite outcrops, coastal dunes.

Amanda Spooner, Descriptive Catalogue, 23 June 2003
Image

Scientific Description

Shrubs, 1-3 m high; branchlets glabrous or hairy. Leaves alternate, (15-)20-70 mm long, 5-50 mm wide, glabrous; lamina flat, clearly widest above the middle, once divided, pinnately divided, tripartitely divided or divided only at the apex, entire or shallowly divided. Inflorescences axillary, white, cream or red; pedicels 6-10 mm long. Perianth 7-9 mm long, glabrous; ovary glabrous; pistil 8.5-13 mm long, pollen presenter oblique, style glabrous. Follicles 20-38 mm long, 10-16 mm wide, corky tetrahedral projections (on external surfaces of fruit) absent; seed 18-29 mm long (including wing), 10-12 mm wide, the wing discontinuous, marginal or apical, extending ± unequally down each lateral side or 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), Mallee (MAL), Warren (WAR) or Esperance Plains (ESP) IBRA subregion(s).

C. Hollister and K.R. Thiele, 19 January 2024

Distribution

IBRA Regions
Avon Wheatbelt, Esperance Plains, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain, Warren.
IBRA Subregions
Dandaragan Plateau, Eastern Mallee, Fitzgerald, Geraldton Hills, Katanning, Lesueur Sandplain, Merredin, Northern Jarrah Forest, Perth, Recherche, 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, Bridgetown-Greenbushes, Brookton, Broomehill-Tambellup, Busselton, Cambridge, Capel, Carnamah, Chapman Valley, Chittering, Claremont, Cockburn, Coorow, Corrigin, Cranbrook, Cuballing, Dandaragan, Denmark, Donnybrook-Balingup, Dumbleyung, Esperance, Fremantle, Gingin, Gnowangerup, Harvey, Irwin, Jerramungup, Kalamunda, Katanning, Kent, Kojonup, Kulin, Kwinana, Lake Grace, Mandurah, Manjimup, Merredin, Mingenew, Mundaring, Murray, Narrogin, Nedlands, Northampton, Perth, Pingelly, Plantagenet, Quairading, Ravensthorpe, Rockingham, Serpentine-Jarrahdale, Swan, Three Springs, Toodyay, Victoria Plains, Wagin, Wandering, Wanneroo, Waroona, West Arthur, Westonia, Wickepin, Williams, Woodanilling, Wyalkatchem, York.