Ridge Fruited Mallee; Lerp Mallee; Rib-Fruited Mallee; Yellow Mallee
Mallee or tree to 8m tall. Bark smooth throughout, sometimes rough below and smooth above. Branchlet pith with or without oil glands. Leaves aromatic when crushed, alternating up the stems, 5-15cm long, 8-30 mm wide, flat, hairless, glossy, green or grey-green, thick, edges entire or with small teeth. Flowers white or yellow, rarely pink or red, with 0 petals, in clusters of 3-7 at the bases of the leaves. Bud caps shorter than or about the same length as the base. Buds & nuts usually with longitudinal lines or ridges. Nut valves not very noticeable. Eucalyptus costata ssp. murrayana in NSW.
Description and photo (page 529) and line drawing of bud and nut (Fig. 57c page 531) 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
PlantNET description (as Eucalyptus costata ssp. murrayana): http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=in&name=Eucalyptus~costata