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Leaves and Flowers. Copyright CSIRO
Cotyledon stage, epigeal germination. Copyright CSIRO
Scale bar 10mm. Copyright CSIRO
10th leaf stage. Copyright CSIRO
Helicia australasica F.Muell.
Mueller, F.J.H. von in Hooker, W.J. (1857) Hooker's Journal of Botany & Kew Garden Miscellany 9: 22. Type: Ad rivulorum ripas in vicinitate montium MAdams Range, 3 Oct. 1855, F. Mueller; holo: K.
Helicia glabrescens C.T.White, Proceedings of the Royal Society of Queensland 55: 81(1944), Type: Cook District: Barron River, E. Cowley 74B (type: Flowers), Sept. 1892 (large shrub). Helicia dentellata Sleumer, Bot. Jahrb. Syst. 70: 147(1939), Type: Lake Daviumbu, Middle Fly River, Sept. 1936, L. J. Brass 7917; iso: BRI.
Austral Oak; Creek Silky Oak; Oak, Creek Silky
Seldom exceeding 30 cm dbh. Oak grain in the wood and a corresponding red or dark brown pattern in the blaze.
Oak grain in the twigs. Leaf blades about 6-23 x 4-8.5 cm. Petioles swollen at their junction with the twig. Lateral veins forming loops well inside the blade margin.
Cotyledons fleshy, without venation. First pair of leaves ovate, margins dentate or serrate, glabrous on the upper surface. At the tenth leaf stage: leaf blade obovate, apex acute, base attenuate, margin of leaf blade irregular, dentate to serrate, glabrous on the upper surface or with a few scattered hairs along the midrib, midrib raised on the upper surface. Stem clothed in prostrate brown hairs.
Distribution and Ecology
Not commonly cultivated as yet, however, it does have potential because of the profuse flowering that sometimes occurs.
Shrub (woody or herbaceous, 1-6 m tall)