Acacia disparrima M.W.McDonald & Maslin
| Family Fabaceae
Subfamily Mimosoideae
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Acacia disparrima M.W.McDonald & Maslin APNI* Synonyms: Acacia aulacocarpa var. macrocarpa Benth. APNI*
Racosperma disparrimum (M.W.McDonald & Maslin) Pedley APNI*
Description: Tree or shrub 3–12 m high; bark fissured, dark grey to brown; branchlets angled or flattened at extremities, sometimes resinous.
Phyllodes ± narrowly elliptic, subfalcate to falcate, 5–12 cm long, 4–30 mm wide, grey-green, glabrous, longitudinal veins numerous, non-anastomosing, 3 or 4 prominent and sometimes with up to 4 slightly less prominent, the lowermost main veins often joining together and with the lower margin near base, apex acute; 1 gland at base; pulvinus 2–5 mm long.
Inflorescences 1 or 2 in axil of phyllodes; peduncles 2–8 mm long, scurfy; heads cylindrical, 2–7 cm long, pale yellow to lemon yellow.
Pods straight to moderately curved, often twisted, ± flat, 2.5–10 cm long, 10–20 mm wide, ± woody, obliquely veined, glabrous, resinous; margins thickened; seeds ± transverse; funicle creamy grey to grey, folded and expanded towards seed.
Flowering: January–May.
Distribution and occurrence: mainly on the coast north from the Bellinger River. Grows in sclerophyll woodland, wet sclerophyll forest, on margins of rainforest and behind coastal sand dunes.
NSW subdivisions: NC
Other Australian states: Qld
The oblique to longitudinally oblique veins in the pod are less prominently raised than in the closely related Acacia aulacocarpa. These species were previously treated together as a single taxon.
Text by P.G. Kodela (August 2005)
Taxon concept: P.G. Kodela & G.J. Harden, Flora of NSW Vol. 2 (2002)
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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