R. Br., Trans. Linn. Soc. 10:182 (1810).
Synonymy: Not Applicable
Common name: Elm-seed hakea.
Straggly bush or shrub 0.3-1.3 m high; branchlets and leaves white-pubescent, glabrescent; leaves ascending, 1.5-14.5 cm x 1.1-1.9 mm, not grooved, apex straight, mucro 1-2.8 mm long.
Inflorescence an umbelliform raceme or condensed panicle of 1-14 white or pink flowers; rhachis white-sericeous, sometimes with brown hairs, simple or shortly branched, 0.5-3 mm long, sometimes up to 5 short branches on a woody rhachis of prior years, 1-10 mm long overall; pedicel 2.5-6 mm long, glabrous; torus oblique; perianth 4-6.5 mm long, glabrous, limb 0.8-1.2 mm long; anthem 0.5-0.75 mm long; gland slightly curved, 0.15-0.3 mm long laterally, entire; pistil 7-12 mm long, vertically inserted; pollen-presenter with a disc 0.6-0.9 mm long, central cone 0.1-0.35 mm long; fruit 2.5-4 cm long, coarsely verrucose or rugose, in median view ovate, 2-3.6 cm wide, in lateral view broad-elliptic to circular, 2-3.4 cm wide, with a short oblique broad beak, lacking a narrow beak, with 2 prominent but fragile horns 0-5 mm long, dehiscing fully down both sides, with the area beside the seed cavity with equal layers of white and brown wood.
Seed 2.4-3.8 X 1-2.2 cm, body 0.8-1 cm long, ridge absent, wing surrounding the body, narrower on one side, brown to brown-black.
||twig, inflorescence, flower, pistil and internal face and external median veiw
Image source: fig. 76a in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).|
In sandy soil in mallee-heath or mallee-scrub.
Flowering time: Dec. — Aug.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
Not yet available