Australian Tropical Rainforest Plants - Online edition

Elaeocarpus coorangooloo J.F.Bailey & C.T.White


Tree
Click/tap on images to enlarge
Flowers. © CSIRO
Leaves and Flowers. © CSIRO
Fruit [not vouchered]. © G. Sankowsky
Scale bar 10mm. © CSIRO
Cotyledon stage, epigeal germination. © CSIRO
10th leaf stage. © CSIRO
Family

Bailey, J.F. & White, C.T. (1917) Queensland Department of Agriculture and Stock. Botany Bulletin 19: 4. Type: Martintown; J.F. Bailey; Atherton District, H.W. Mocatta.

Common name

Quandong, Brown; Caloon; Coorangooloo Quandong; Brown Quandong; Quandong, Coorangooloo

Stem

Blaze may be finely layered.

Leaves

Leaf blades about 7-11 x 3-5.5 cm. About 10-20 blunt teeth on each side of the leaf blade. Numerous pale coloured lenticels visible on the twigs. Each lenticel circular or slightly elongated longitudinally, with a slit down the middle. Leafy twigs about 4 mm diameter. Old leaves turn red prior to falling. Domatia are foveoles.

Flowers

Sepals less than 14 mm long. Petals about 4.5-5.5 x 1.5-3 mm, divided at the apex into 6-8 narrow lobes about 1.5-2 mm long. Stamens about 15-20. Ovary glabrous.

Fruit

Fruits globular-ellipsoid, about 12 x 9 mm. Endocarp rugose.

Seedlings

Cotyledons obovate to oblong, about 20-25 x 10 mm. At the tenth leaf stage: leaf blade elliptic, apex acuminate, base attenuate, margin crenate, teeth small, about 5-10 each side of the leaf blade, each tooth aristate at the apex, upper surface with a few scattered fine hairs; stipules small, triangular, hairy. Seed germination time 38 days.

Distribution and Ecology

Endemic to NEQ, known only from the Windsor Tableland, Atherton Tableland and another site southwest of Paluma. Altitudinal range from 700-1000 m. Grows in drier rain forest often associated with Kauri Pine (Agathis robusta).

Natural History & Notes

Has potential as a spreading shade tree producing masses of white to pale pink flowers and blue fruits.

Produces a useful general purpose timber.

Wood specific gravity 0.61. Cause et al. (1989).

RFK Code
110
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