Australian Tropical Rainforest Plants - Online edition

Endiandra cowleyana F.M.Bailey

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Flower. © Barry Jago
Flower and buds. © Barry Jago
Fruit, side views, cross section and seed. © W. T. Cooper
Leaves and Flowers. © CSIRO
Scale bar 10mm. © CSIRO
10th leaf stage. © CSIRO
Cotyledon stage, hypogeal germination. © CSIRO
Flower, oblique view, hairy tepals, anther tips & anther valves. © CSIRO
Flower, bird's-eye view, tepals, anthers (3) & anther valves (6). © CSIRO

Bailey, F.M. (1892) Queensland Department of Agriculture and Stock. Botany Bulletin 5: 23. Type: Scrubs near Barron River, E. Cowley 42, holo: BRI; iso: BM, K.

Common name

Northern Rose Walnut; Rose Walnut; Walnut, Rose; Walnut, Northern Rose


A thin cream or pale brown layer usually visible beneath the subrhytidome layer before the first section of the outer blaze.


Twigs terete or fluted, clothed in straight, appressed, pale brown hairs. Leaf blades about 5.5-9 x 2-4 cm, green on the underside, sometimes slightly glaucous, glabrous or clothed in straight, appressed, pale brown hairs. Foveoles conspicuous, usually 1-4 per leaf, occasionally up to 11 or 12. Midrib raised or flush with the upper surface. Petioles flat or channelled on the upper surface. Oil dots visible with a lens.


Flowers opening quite widely, the tepals sometimes becoming +/- horizontal at anthesis. Tepals about 0.8-1.4 mm long. Staminal glands six, free from one another. Staminodes three, differentiated into a head and stalk.


Fruits ellipsoid, about 24-33 x 14-17 mm. Seed about 20-28 x 12-15 mm. Cotyledons cream.


First pair of leaves about 60-80 x 22-30 mm, green on the underside. At the tenth leaf stage: leaves narrowly elliptic, apex long acuminate, base attenuate, glabrous; foveoles sometimes present on the undersurface; oil dots numerous, readily seen with a lens.

Distribution and Ecology

Endemic to Queensland, occurs in CYP, NEQ and CEQ. Altitudinal range from sea level to 1000 m. Grows in well developed rain forest on a variety of sites.

Natural History & Notes

This species produces millable logs and the sawn timber is marketed as Northern Rose Walnut, a useful general purpose timber. Wood specific gravity 0.72-0.77. Hyland (1989).

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