Australian Tropical Rainforest Plants - Online edition
Ackama australiensis (Schltr.) C.T.White
White, C.T. (1936) Proceedings of the Royal Society of Queensland 47: 59.
Cedara; Pencil Cedar; Rose Alder; Feather Top; Cedar, Atherton Pencil; Atherton Pencil Cedar; Alder, Rose; Cedar, Pencil; Feathertop Tree
Lenticels arranged in vertical lines. Buttresses large and conspicuous on bigger trees.
Fruit +/- globose, about 2 mm diam. Seeds clothed in relatively long twisted pale coloured hairs. Cotyledons green.
Seed germination time 24 to 146 days. Cotyledons very small, about 1-2 mm long. At the tenth leaf stage: leaflet margins serrate or doubly serrate, that is teeth with teeth; leaflets hairy on the upper surface; stipules interpetiolar, foliaceous with toothed margins; seedlings often pink to red.
Produces a useful general purpose timber and utility cabinet timber. Wood specific gravity 0.57. Cause et al. (1989).
Betchea australiensis Schltr., Bot. Jahrb. 52: 150 (1914), Type: Queensland, Rockingham Bay, J. Dallachy, holo: B. Caldcluvia australiensis (Schltr.) Hoogland, (1979) Blumea 25: 484 (1979). Ackama muelleri var. pleiocarpa F.Muell., The Victorian Naturalist 8: 46(1891), Type: The same collector brought from the same region.. [= Stephen Johnson, Mt. Bartle-Frere]. Ackama quadrivalvis C.T.White & W.D.Francis, Queensland Department of Agriculture and Stock. Botany Bulletin 22: 15(1920), Type: Atherton District, Assistant Forester J.M. Fraser (type).