Family

Fabaceae

Distribution

Restricted to the Cape York Peninsula from near Weipa E to near Bowden on the Pascoe R. and Wenlock on the Wenlock R., Qld.

Description

Tree 6–14 (–22) m high. Branchlets pendulous, lenticellate, glabrous. Phyllodes narrowly elliptic to oblanceolate, often slightly inequilateral, straight, (7–) 9–17 cm long, 10–45 mm wide, obtuse or acute, thinly coriaceous, glabrous, with 3–6 main nerves and longitudinally anastomosing minor nerves in between; gland 0–2 mm above pulvinus. Inflorescences simple or rudimentary 1-headed racemes with axes to 1 mm long, 2–6 per node; peduncles 4–7 mm long, sometimes to 12 mm in fruit, glabrous; basal bract persistent; heads globular, 4.5–5 mm diam., 30–40-flowered, bright yellow. Flowers 5-merous; sepals free. Pods broad-linear to narrowly oblong, alternately raised over seeds on each side, straight, to 12 cm long, 8–11 mm wide, coriaceous, glabrous; margins thickened. Seeds longitudinal, broadly elliptic, c. 4 mm long, dull, brown; funicle/aril encircling seed.

Habitat

Grows along sandy creek or river banks or on shell mounds in fringing woodland with species of Melaleuca, Leptospermum, Eucalyptus and other Acacia species.

Specimens

Qld: Hey Point beach on Hey R., just upstream of Point, A.Morton 1162 (BRI); Pascoe R. on Wenlock R.–Kennedy road crossing, A.Morton 1548 (BRI, MEL).

Notes

Related to A. complanata which has flattened branchlets, larger flower-heads and pods wrinkled over seeds. Also related to A. ommatosperma.

FOA Reference

Data derived from Flora of Australia Volumes 11A (2001), 11B (2001) and 12 (1998), products of ABRS, ©Commonwealth of Australia

Author

Minor edits by B.R.Maslin & J.Rogers

R.S.Cowan, B.R.Maslin