Family: Proteaceae
Hakea nodosa
Citation:
R. Br., Trans. Linn. Soc. 10:179 (1810).
Synonymy: Hakea flexilis R. Br., Trans. Linn. Soc. 10:180 (1810).
, Hakea semiplana Common name: Yellow hakea.
Description:
Leaves simple, terete, not grooved towards the base, with no veins apparent.
Inflorescence axillary, developing in a small cone of deciduous involucral bracts, an umbelliform raceme of few flowers; rhachis simple; flowers with pedicel and perianth externally densely appressed-white-pubescent; torus horizontal or slightly oblique; perianth deflexed; gland semi-annular; pistil obliquely inserted; style permanently deflexed or at length straight; pollen-presenter a slightly or distinctly oblique broad-elliptic to circular disc mounted by a cone.
Fruit sigmoid through reflexion on the pedicel and the reflexed long flat acuminate narrow beak flanked by 2 fragile horns; seeds with a median ridge, wing with fine dark lines on a hyalescent background. (Species 18-19)
| Hakea nodosa
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Image source: pl. 4right in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).
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| Hakea nodosa
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Image source: pl. 4right in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).
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| twig, inflorescences, flower, pistil and internal and external median veiws of fruits
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Image source: fig. 77a in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).
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Published illustration:
Galbraith (1977) Wild flowers of south-east Australia, pl. 31.
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Distribution:
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In closed heath and swampy sites.
S.Aust.: SL, SE. Vic.; Tas.
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Conservation status:
native
Flowering time: May — Aug.
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SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
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Biology:
Apart from the border region (e.g. Comaum), S. Aust. material has broad leaves; narrow leaves are common in Vic. and Tas. Uncorrelated with this is variation between almost smooth and densely warty fruits, which had prompted R. Brown to distinguish 2 species; this seems to represent stages in fruit development.
Author:
Not yet available
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