Australian Tropical Rainforest Plants - Online edition Buckinghamia celsissima F.Muell. Family: Proteaceae Mueller, F.J.H. von (1868) Fragmenta Phytographiae Australiae 6: 248. Type: In silvis montium prope sinum litoreum Rockinghams Bay; J. Dallachy. Six Mile Creek, 11 Jan. 1865, J. Dallachy, lecto: MEL. Fide Foreman (1995). Common name: Ivory Curl Tree; Ivory Curl; Oak, Spotted Silky; Spotted Silky Oak; Silky Oak; Ivory Curl Flower Stem Oak grain in the wood and a corresponding pattern in the inner blaze. Leaves Oak grain in the twigs. Leaf blades about 8-16 x 3-7 cm. Small oils dots visible with a lens. Numerous lenticels usually present on the twigs. Flower. © Barry Jago Flowers Inflorescence +/- ferruginous-pubescent, but tepals clothed in paler hairs. Tepals about 7-10 mm long. Hypogynous gland one, horseshoe-shaped in cross section. Ovules 4. Style about 15-20 mm long. Fruit Follicles about 1.5-3 cm long. Seeds flat with a narrow marginal wing. Seedlings Cotyledons about 10-14 mm long, petioles short, about 1 mm long, margin uneven at the apex, much shorter on one side of the midrib. At the tenth leaf stage: leaf blade +/- linear with some hairs on Leaves and Flowers. © CSIRO upper surface, younger leaves densely hairy, petiole densely hairy. Terminal bud clothed in brown hairs. Seed germination time 38 to 45 days. Distribution and Ecology Endemic to NEQ, widespread in the area. Altitudinal range from 200-1000 m. Grows in well developed rain forest on a variety of sites but is probably most frequently found in drier rain forest often associated with Kauri Pine (Agathis robusta). Natural History & Notes Food plant for the larval stages of the Cornelian Butterfly. Common & Waterhouse (1981). Widely cultivated in a variety of situations from street trees to gardens and known for the ease of culture, the good form and the mass flowerings it produces. Leaves and Flowers. © CSIRO Produces a useful general purpose timber with a conspicuous oak grain. Wood specific gravity 0.93 Cause et al. (1989). RFK Code 220 Fruit, dehisced fruit and seeds. © W. T. Cooper Scale bar 10mm. © CSIRO Copyright © CSIRO 2020, all rights reserved. 10th leaf stage. © CSIRO Cotyledon stage, epigeal germination. © CSIRO Web edition hosted at https://apps.lucidcentral.org/rainforest.