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Habit, flower, stamens, staminode, fruit, seedling. Copyright CSIRO
Fruit, side views, cross section and seed. Copyright W. T. Cooper
Flower. Copyright Barry Jago
Seedling. Copyright CSIRO
Cotyledon stage, hypogeal germination. Copyright CSIRO
Scale bar 10mm. Copyright CSIRO
10th leaf stage. Copyright CSIRO
Tenth leaf stage. Copyright CSIRO
Beilschmiedia bancroftii (F.M.Bailey) C.T.White
White, C.T. (1918) Queensland Department of Agriculture and Stock. Botany Bulletin 20: 17. Type: ?.
Cryptocarya bancroftii F.M.Bailey, Queensland Department of Agriculture and Stock. Botany Bulletin 2: 16(1891), Type: Johnstone River, Dr. T.L. Bancroft; other scrubs of tropical Queensland, Bellenden-Ker Expedition.. Beilschmiedia lachnostemonea F.Muell., The Victorian Naturalist 9: 11(1893), Type: Russells River; W. Sayer.
Ash, Canary; Canary Ash; Walnut, Yellow; Yellow Walnut; Yellow Nut
Blaze odour conspicuous, strongly resembling that of sugar-cane (Saccharum officinale).
Twigs terete or angular, clothed in straight, white or pale brown, appressed hairs when young but glabrous when older. Leaf blades about 7-15 x 2-3 cm, green or slightly glaucous on the underside, clothed in straight, white or pale brown, appressed hairs when young but almost glabrous at maturity. Midrib raised on the upper surface. Petioles flat or channelled on the upper surface. Oil dots visible with a lens.
Fruits about 65-75 x 50-60 mm, not bilobed. Cotyledons cream. Endocarp about 2.0-2.5 mm thick usually with a sharp protuberance at each pole. The rat-eaten remains of the hard seed shells (endocarps) usually present under large trees.
Distribution and Ecology
The seeds of this species were utilised by aboriginals but only after treatment They are toxic when fresh. (http://www.wettropics.gov.au/rah/Resource.htm)
Produces millable logs and the sawn timber and veneer marketed as Yellow Walnut, a useful structural and decorative timber. Wood specific gravity 0.64-0.75. Hyland (1989).