Acacia ascendens Maslin, Nuytsia 7: 223 (1990)
Glabrous shrub normally to c. 2 m high. New growth resinous and slightly viscid. Phyllodes inclined to erect, incurved or straight and incurved only at base, terete, 2–4 cm long, c. 1 mm wide, excentrically mucronulate and often obliquely truncate, commonly uncinate to subuncinate, green, 4-nerved, the nerves impressed, brownish and overlaid by a viscid exudate that commonly forms a narrow translucent ridge; gland at base of mucro. Inflorescences simple or comprising short, 1- or 2-headed, terminal or axillary racemes with axes 1–5 (- 10) mm long; peduncles 5–14 mm long; heads globular, densely 20–25-flowered, golden, resinous. Flowers 5-merous; sepals united at base. Pods (slightly immature) narrowly oblong, to 7 cm long, 5 mm wide, slightly undulate, resinous. Seeds (slightly immature) longitudinal, oblong-elliptic; aril clavate.
Known only from the Chiddarcooping Nature Reserve, about 70 km NE of Merredin, W,A. Grows on scree slopes of granitic breakaways, in woodland or low scrub.
A member of the ‘ A. wilhelmiana group’ related to A. abrupta which has phyllodes with a basal gland, 1/4–1/2-united sepals and narrower, biconvex, reticulate pods.
Type of accepted name
Chiddarcooping Nature Reserve, W.A., 23 July 1989, B.R.Maslin 6382 ; holo: PERTH; iso: AD, B, BM, BRI, CANB, G, K, MEL, MO, NSW, NY, PERTH, Z.
Representative collections
W.A.: Chiddarcooping Nature Reserve, S.D.Hopper 6413 (PERTH) and A.S.Weston 14103 (AD, BRI, CANB, K, MEL, NSW, PERTH).
(BRM)
The information presented here originally appeared on the WATTLE CD-ROM which was jointly published by the Australian Biological Resources Study, Canberra, and the Department of Parks and Wildlife, Perth; it was produced by CSIRO Publishing from where it is available for purchase. The WATTLE custodians are thanked for allowing us to post this information here.
