Australian Tropical Rainforest Plants - Online edition

Erythroxylum australe F.Muell.


Shrub (woody or herbaceous, 1-6 m tall)
Tree
Click/tap on images to enlarge
Leaves and fruit. © CSIRO
Scale bar 10mm. © CSIRO
10th leaf stage. © CSIRO
Cotyledon stage, Epigeal germination. © CSIRO
Family

Mueller, F.J.H. von (1859) Transactions and Proceedings of the Philosophical Institute of Victoria 3: 22. Type: In the Brigolow Scrubs of East Australia, as far north as the Burdekin River.

Common name

Erythroxylum

Stem

Dead bark layered. Pale brown brittle stripes in the blaze. Blaze odour not pleasant.

Leaves

Leaf blades small, about 0.6-2.4 x 0.3-0.8 cm. Stipules very small, enclosing the terminal bud, stipular scars encircling the twig.

Flowers

Flowers about 3 mm diam. Petals with a pronounced ruffle on the inner surface midway between the base and the apex. Stamens usually ten. Staminal filaments either fused towards the base or attached to a cup-shaped structure which surrounds the lower half of the ovary. Styles almost as long as the ovary.

Fruit

Fruits +/- ellipsoid, about 5-10 mm long.

Seedlings

Cotyledons narrowly oblong, about 10-15 x 2-5 mm. At the tenth leaf stage: leaves obovate; stipules enclosing the terminal bud, narrowly triangular, 3-4 mm long, positioned between the stem and petiole. Seed germination time 31 to 213 days.

Distribution and Ecology

Endemic to Queensland, occurs in NEQ, CEQ and southwards to south-eastern Queensland. Altitudinal range in NEQ from 500-800 m. Grows in monsoon forest and similar vegetation types.

RFK Code
786
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