Australian Tropical Rainforest Plants - Online edition

Acacia aulacocarpa A.Cunn. ex Benth.

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Leaves and Flowers. © CSIRO
Scale bar 10mm. © CSIRO

Bentham, G. (1842) London Journal of Botany 1: 378. Type: Port Bowen, N. Coast, Cunningham. Lectotype: Port Bowen (= Port Clinton) A. Cunningham no. 115 (K), Isolectotypes: BM, K.

Common name

Brown Salwood; Hickory Wattle; Golden-flowered Salwood; Wattle; Wattle, Black; Wattle, Hickory; Black Wattle; Salwood, Golden-flowered


Usually a small, poorly formed tree in NEQ. Living bark very strong and fibrous.


Leaves phyllodineous. Veins numerous (30-40 or more), longitudinal and parallel. Leaf blades about 6-7 x 1.2-1.5 cm, covered with white or pale-coloured wax with an occasional brownish scale, petioles about 0.4 cm long. Stipules difficult or impossible to distinguish.


Flowers yellow or bright yellow, strongly but not particularly pleasantly perfumed. Spikes about 15-20 mm long, peduncle about 4-5 mm long. Most flowers in each spike are male with occasional hermaphrodite flowers. Staminal filaments fused together at the very base. Style about as long as the stamens.


Pods about 5 x 1 cm, outer surface conspicuously veined. Seeds about 5 x 2 mm. Funicle grey to cream, about 2-6 mm long, folded 2 or 3 times. Embryo about 5 x 2 mm, mainly composed of cotyledons. Radicle small, straight.


Features not available.

Distribution and Ecology

Occurs in NEQ,CEQ and south to north-eastern New South Wales. Altitudinal range in NEQ from near 30 to 1300 m. Grows along rocky watercourses, in wet sclerophyll forest and also in the drier types of rain forest.

Racosperma aulacocarpum (Benth.) Pedley, Austrobaileya 2(3): 345(1984). Acacia aulacocarpa var. fruticosa C.T.White, Austrobaileya 2: 345(1987), Type: Ngun Ngun, Glass House Mts, 20 Mar. 1931, C. T. White 7651 Holo: BRI; iso: K, NY.
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