Hakea petiolaris Meisn.

Sea-urchin Hakea

Pl. Preiss. 1: 577 (1845) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Sparingly established

Erect shrub or small tree, 2–9 m high; branchlets sericeous or glabrescent. Leaves petiolate, spathulate to broadly elliptic or narrowly elliptic, 5.5–15 cm long, 23–60 mm wide, flat, glabrescent or somewhat sericeous, apex acuminate; longitudinal veins (1–)3(–4), prominent; reticulate veins prominent. Inflorescence a spherical umbel with c. 100–200 flowers; pedicel 8–9.5 mm long, glabrous; perianth cream, turning pink or reddish, glabrous; pistil 14–18 mm long; pollen presenter conical. Fruit 1–10 per axil, obliquely ovate-elliptic, 2.2–3.6 cm long, not keeled on lower suture line, not or obscurely beaked; horns lacking; seed not occupying whole valve face, ovate, 14–22 mm long; wing broadly extending down both sides of body (narrower on one side) and sometimes narrowly around the base. Flowers Mar.–Jul.

*GGr, *OtP. Native to south-western Western Australia, cultivated in Victoria, plants sometimes persisting in old gardens.

3 subspecies are described in WA.

Created by: Andre Messina, 2016-05-27
Updated by: Val Stajsic, 2018-03-15
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Proteanae
order Proteales
family Proteaceae
genus Hakea
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Hakea petiolaris in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Hakea petiolaris in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Gippsland Plain present cultivated
Otway Plain present introduced
Greater Grampians present introduced

State distribution

Distribution map
Western Australia
South Australia
New South Wales