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Electronic Flora of South Australia
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Electronic Flora of South Australia species Fact Sheet

Family: Proteaceae
Hakea muelleriana

Citation: J. Black, Fl. S. Aust. 267 (1948).

Synonymy: -Hakea ulicina R. Br. var. flexilis (F. Muell.)C. Moore & Betche, Hdbk Fl. N.S.Wales (1893)243; Hakea flexilis F. Muell., Fragm. Phyt. Aust. 6:216 (1868), nom. illeg., non R. Br.; Hakea flexibilis Meissner in A. DC., Prod. 14:396 (1856), nom. provis, or in error for Hakea flexilis F. Muell.

Common name: Desert hakea.

Erect rounded shrub 1-4 m high, not suckering; branchlets appressed-pubescent initially, glabrous by the time of flowering apart from the new shoots; leaves widely spreading, rarely ascending, terete with no veins apparent to 3-angled, narrow-linear, with marginal veins and mid-vein on lower side conspicuous, rarely flat and obovate-linear, 3.5-12 cm ( 1-10 mm, mucro 1-2.5 mm long.

Involucral cone 2-4.5 mm long, with bracts appressed-pubescent all over or at the apex, densely white-ciliate; racemes with 16-36 flowers; rhachis l-2.5 mm long, white-hirsute; pedicel 1.5-2.7 mm long, pink; perianth 2.1-4 mm long, white to yellow, limb 0.9-1.2 mm diam.; anthers 0.35-0.7 mm long; gland 0.2-0.3 mm long laterally; pistil 4.5-6.2 mm long; pollen-presenter a cone 0.5-0.7 mm long, basal flange 0.3-0.7 mm diam.

Fruit ellipsoid to ovoid-ellipsoid, often broadly so, 1.2-2.5 cm long, in lateral view 0.5-1.3 cm wide, in median view 0.7-1.6 cm wide, black-pusticulate, with a relatively obscure broad beak and a 1-3.5 rarely to 4 mm long narrow beak; seed obliquely elliptic, 8-15 ~ 3.5-6 mm, body elliptic to ovate-elliptic, c. 1.6 mm thick, ridge at the base half the thickness of the body, extended a third way to the wing apex, wing decurrent more broadly and further down one side of the body, light-brown with dark streaks, rarely dark-brown.

image of FSA1_Hakea_mue.jpg twig, upper and lower surface and section of broad and narrow leaves and internal face and external median veiw of fruits
Image source: fig. 74c in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Distribution:  In sclerophyllous heath, mallee shrubland or forest, preferring sandy soil.

  ?N.S.W.; Vic.

Conservation status: native

Flowering time: late Oct. — Jan.

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

Biology: Throughout most of its range the leaves are narrow-linear, being terete or 3-angled. However, on KI leaves are 3-angled, and are much broader towards the south-west of the Island, particularly in coastal sites, the breadth varying on individual plants.

Author: Not yet available

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