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Acacia leiocalyx (Domin) Pedley subsp. leiocalyx Family Fabaceae
Subfamily Mimosoideae
Common name: curracabah

Acacia leiocalyx subsp. leiocalyx (Domin) Pedley APNI*

Description: Erect or spreading tree or shrub to 6 m high; bark slightly corrugated to fissured, grey or greyish brown; branchlets sharply angled or flattened, usually red-brown, glabrous.

Phyllodes elliptic to narrowly elliptic, ± straight to falcate, mostly 8–15 cm long and 10–30 mm wide, glabrous, 3 or more longitudinal veins more prominent, the lower 2 joining together near base, minor longitudinal veins anastomosing, apex acute to obtuse; 1 gland at base; pulvinus 2–5 mm long.

Inflorescences 2 or rarely 1 in axil of phyllodes; peduncles 3–8 mm long, glabrous; heads cylindrical, mostly 3–7 cm long, pale yellow or sometimes yellow.

Pods curved or twisted or coiled 1–2 times, raised over and barely, or variably more deeply, constricted between seeds, mostly 7–15 cm long (some pods may be smaller, 4 cm or more long), 2–4 mm wide, firmly papery to thinly leathery, brittle and longitudinally ridged-wrinkled when dry, glabrous; seeds longitudinal; funicle folded several times and terminating in an aril.


Flowering: usually June–October

Distribution and occurrence: north from Mittagong area and west to Baradine.

Grows in sclerophyll forest and heath, in sedimentary- and granite-derived soils.
NSW subdivisions: NC, CC, NT, NWS, CWS, NWP
Other Australian states: Qld
AVH map***

The name is from the Greek leios (smooth) and calyx (a husk, or the cup or calyx of a flower), referring to the usually glabrous calyx (N. Hall & L.A.S. Johnson, The Names of Acacias of New South Wales, 1993). Related to Acacia concurrens and similar to A. crassa. Intermediates between A. concurrens and A. leiocalyx occur in northern New South Wales.

Text by P.G. Kodela (last update July 2012)
Taxon concept: P.G. Kodela & G.J. Harden, Flora of NSW Vol. 2 (2002)

The single subspecies 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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