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Acacia acanthoclada F.Muell. subsp. acanthoclada Family Fabaceae
Subfamily Mimosoideae
Common name: harrow wattle

Acacia acanthoclada subsp. acanthoclada F.Muell. APNI*

Synonyms: Racosperma acanthocladum (F.Muell.) Pedley subsp. acanthocladum APNI*

Description: Erect or spreading shrub 0.3–1.5 m high; bark smooth, grey or occasionally slightly greenish; branchlets ± terete, spinose, densely hairy, often glabrescent.

Phyllodes ± obcuneate, ± straight, 0.2–0.6 cm long, 1–3 mm wide, hairy, 1 or sometimes 2 longitudinal veins ± prominent or faint, lateral veins faint, apex acute to obtuse with a mucro; 1 minute gland to about halfway or sometimes more along margin, often appearing absent; pulvinus < 1 mm long.

Inflorescences 1 in axil of phyllodes on an obscure axis to 0.5 mm long; peduncles 2–8 mm long; heads globose, 20–35-flowered, 4–6 mm diam., bright yellow.

Pods twisted or coiled, ± flat, slightly constricted between seeds, 3–6 cm long, 2–3 mm wide, glabrous; seeds longitudinal; funicle expanded towards seed.

Photo A.E. Orme

Photo A.E. Orme


Flowering: August–October.

Distribution and occurrence: confined to the far southwest of the State; rare in N.S.W.

Grows in mallee, in deep red sandy soil, often on low sand hills.
NSW subdivisions: SFWP
Other Australian states: Vic. S.A. W.A.
AVH map***

The name refers to the branchlets tapering into sharp points (Greek 'acanthos' meaning spine or thorn; 'clados' being a shoot or young branch).

The species A. acanthoclada is listed as endangered under the NSW Biodiversity Conservation Act 2016.

Text by P.G. Kodela (2004; last updated February 2009)
Taxon concept: B.R. Maslin, Flora of Australia 11A: 480-483 (2001)

The single subspecies in NSW. Characters and distribution as for the species in NSW.

APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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