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Electronic Flora of South Australia species Fact Sheet

Family: Proteaceae
Hakea eyreana

Citation: D. McGillivray, Telopea 1:30 (1975).

Synonymy: Grevillea eyreana S. Moore, J. Linn. Soc.(Bot.) 45:210 (1920); Hakea ivoryi sensu Boomsma, Native trees of South Australia 262 (1981), partly, auct. non Bailey; Hakea divaricata sensu Boomsma, Native Trees of South Australia 197 (1972), partly, auct. non L. Johnson; Hakea intermedia sensu J. Black, Fl. S. Aust. 160 (1924), partly, auct. non Ewart & O.B. Davies, non Hook. , Hakea ednieana

Common name: Corkbark, corktree, corkwood, straggly corkbark.

Description:
Bushy tree 2-4 m high, rarely 6 m, with dark deeply fissured bark; branchlets persistently ash-white-pubescent, rarely with the pubescence persistent in patches or sparse; leaves compound, 1.5-9.5 cm long, terete, sometimes obscurely grooved below, grey-green, persistently white-pubescent, petiole 0.8-2.5 cm long rarely to 4.5 cm, initial divisions trichotomous, final ones dichotomous, final segments 4-15, spreading, 0.2-6 cm ( 0.9-1.5 mm, apex straight, mucro 0.6-2.2 mm long.

Inflorescence a raceme of 35-105 yellow flowers, sometimes a few in panicles; rhachis, pedicel and perianth white-pubescent, rarely glabrous; rhachis 5.5-16 cm long; pedicel 6-13 mm long; perianth 5.5-9.5 mm long, reflexed in the mature bud, limb 1.8-2.5 mm long; anthers 0.9-1 mm long; gland 2-3.2 mm long laterally; pistil 19-26 mm long, becoming pubescent after anthesis; style recurved or straight; pollen-presenter an oblique obtuse cone 0.5-1 mm long, dilated at the base into an oblique elliptic undulate narrow disc 1.4-2.3 mm long laterally.

Fruit narrow-ovoid, 2.5-4.2 X 1-1.2 cm, smooth, glabrescent, with a very long broad beak abruptly or gradually terminated by a fragile narrow beak 1-5 mm long, horns absent, dehiscence complete down both sides, with 2 equally wide layers of light-brown wood beside the seed cavity; seed 20-33 X 7-10 ram, body 7-11 mm long, with a short lateral ridge, wing decurrent halfway down the other side of the body, pale-yellow.

image of FSA1_Hakea_eyr.jpg twigs, buds, pistils and pollen presenters and internal face and external median views of fruits
Image source: fig. 75c in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Published illustration: Cunningham et al. (1982) Plants of western New South Wales, p. 216, as Hakea ednieana.

Distribution:  Sand-dunes or at edge of nearby creeks, swales or gibber flats.

S.Aust.: LE.   N.T.; Qld; N.S.W.

Conservation status: native

Flowering time: May — Nov.


SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia

Biology: Closely allied to Hakea divaricata, particularly its N.T. race.

Author: Not yet available


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