Black Box, River Box
Tree or multi-stemmed like a mallee, to 20m tall. Bark rough except for the smallest branches.. Leaves aromatic when crushed, alternating up the stems, 6-18cm long, 8-20 mm wide, flat, hairless, glossy or dull, green to grey, somewhat thick. Flowers white to cream (rarely pink), with 0 petals, 7-11 per cluster, in panicles at the ends of the stems. Bud caps shorter than the base. Nut valves not very noticeable.
Description and photo (page 524) and line drawing of nut (Fig. 56b page 527) in G.M. Cunningham, WE Mulham, PL Milthorpe and J H Leigh (1981 and later printings) Plants of Western New South Wales
Description and photographs in the DVD/thumb drive Euclid