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Acacia ramulosa W.Fitzg. var. ramulosa Family Fabaceae
Subfamily Mimosoideae
Common name: horse mulga

Acacia ramulosa var. ramulosa W.Fitzg. APNI*

Synonyms: Racosperma ramulosum (W.Fitzg.) Pedley var. ramulosum APNI*

Description: Erect or spreading shrub or tree 1–6 m high; bark finely fissured, dark grey; branchlets ± terete, ± appressed-hairy.

Phyllodes ± rigid, linear, straight or slightly curved, 8–20 cm long, 1–3 mm wide, subglaucous or glaucous, appressed-hairy, longitudinal veins numerous, closely-spaced, obscure, apex acute with a mucro; glands absent or 1 inconspicuous gland at base; pulvinus < 2 mm long.

Inflorescences 1 or 2 in axil of phyllodes; peduncles usually 3–10 mm long, hairy; heads cylindrical, 1–2 cm long, bright yellow.

Pods ± straight, terete, straight-sided to barely constricted between seeds, 2–16 cm long, 4–8 mm wide, silvery to greyish appressed-hairy between yellowish to brownish, resinous, sparsely anastomosing longitudinal veins (appearing ± striate); seeds longitudinal; funicle filiform or expanded towards seed.


Herbarium
Sheet

Type
Specimen

Flowering: irregularly throughout the year depending upon weather conditions.

Distribution and occurrence: north and west from Coonabarabran district.

Grows in Mulga and woodland communities, on ridges and along drainage lines, including red sandy undulating country.
NSW subdivisions: NWP, NFWP
Other Australian states: Qld W.A. S.A. N.T.
AVH map***

The name refers to the much branched habit of the species. Related to Acacia brachystachya and A. aneura, both of which differ mainly in the details of the pods.

Text by P.G. Kodela (August 2005)
Taxon concept: P.G. Kodela & G.J. Harden, Flora of NSW Vol. 2 (2002)

The single variety 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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