Hakea horrida R.M.Barker
J.Adelaide Bot.Gard. 13: 102-103 (1990)

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

Brief Description
Amanda Spooner, Monday 23 June 2003

Spreading or dense, intricately branched, rigid shrub, 0.6-2 m high, 0.7-2 m wide. Fl. white-yellow, Aug to Oct. Sand, loam, gravel, laterite.


Beard’s Provinces: South-West Province.

IBRA Regions: Esperance Plains, Mallee.

IBRA Subregions: Eastern Mallee, Fitzgerald, Western Mallee.

Local Government Areas (LGAs): Esperance, Gnowangerup, Kent, Kondinin, Kulin, Lake Grace, Ravensthorpe.

Scientific Description
Chris Hollister, Nicholas Lander and Kevin Thiele, Thursday 7 February 2019

Shrubs, 0.6-2 m high; branchlets hairy. Leaves alternate, 40-70(-100) mm mm long, glabrous; lamina terete, once divided, pinnately divided, divided to the midrib. Inflorescences axillary, white or yellow; pedicels 7-8 mm long. Perianth 4-6 mm long, glabrous; ovary glabrous; pistil 5-8 mm long, pollen presenter conical, style glabrous. Follicles 15-20 mm long, 10-15 mm wide, corky tetrahedral projections (on external surfaces of fruit) absent; seed 9-13 mm long (including wing), 5-8 mm wide, the wing continuous or discontinuous, marginal, extending ± unequally down each lateral side. Flowers in August, September or October. Occurs in the South-west (SW) Botanical Province(s), in the Mallee (MAL) or Esperance Plains (ESP) IBRA subregion(s).