Hakea corymbosa R.Br. Cauliflower Hakea
Prodr. Suppl. 28 (1830)

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

Brief Description
Amanda Spooner, Monday 23 June 2003

Erect, non-lignotuberous shrub, 0.5-2 m high. Fl. green-white/cream-yellow, May to Sep. White, grey or yellow/brown sand over laterite or granite.


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

IBRA Regions: Avon Wheatbelt, Coolgardie, Esperance Plains, Jarrah Forest, Mallee.

IBRA Subregions: Avon Wheatbelt P1, Avon Wheatbelt P2, Eastern Mallee, Fitzgerald, Northern Jarrah Forest, Recherche, Southern Cross, Southern Jarrah Forest, Western Mallee.

Local Government Areas (LGAs): Albany, Broomehill-Tambellup, Cranbrook, Denmark, Dumbleyung, Dundas, Esperance, Gnowangerup, Goomalling, Jerramungup, Kent, Kojonup, Kondinin, Kulin, Lake Grace, Plantagenet, Quairading, Ravensthorpe, West Arthur, Wickepin, Williams, Woodanilling.

Scientific Description
Chris Hollister and Nicholas S. Lander, Tuesday 8 April 2008

Habit and leaf form. Shrubs, 0.3–2 m high. Leaves alternate or whorled, leaves 25–115(–120) mm long overall. Leaf blade 25–115(–120) mm long, 2–8(–10) mm wide, undissected, linear, flat; margins entire; indumentum absent.

Inflorescence and floral features. Inflorescence axillary, racemose. Flowers pedicellate, green and yellow. Pedicel 3.5–5 mm long. Perianth (perigone) 18–22 mm long. Pistil 25–30 mm long. Pollen presenter simple.

Fruit and seed features. Fruit 20–27 mm long, 13–18 mm wide; corky tetrahedral projections absent; red-brown and pale wood zones absent. Seed 12–17 mm long; 6.5–11 mm wide; wing discontinuous, marginal, extending ± equally down both lateral sides.

Distribution. Western Australia. IBRA Bioregions SW: AW, JF, MAL, and ESP.

Habitat. Amongst low trees, or tall (sclerophyll) shrubland (heathland); in sand, or clay (laterite).

Flowering Time. May to September.

Etymology. Corymbosa (L.): corymbus – a cluster of flowers; -osus – abounding in; referring to the inflorescences of this species.

Descriptions were generated using DELTA format and DELTA software: Dallwitz (1980) and Dallwitz, Paine and Zurcher (1993 onwards, 1995 onwards, 1998)