Australian Tropical Rainforest Plants - Online edition

Aceratium concinnum (S.Moore) C.T.White

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Flowers. © Barry Jago
Fruit. CC-BY J.L. Dowe
Scale bar 10mm. © CSIRO
10th leaf stage. © CSIRO
Cotyledon stage, epigeal germination. © CSIRO

White, C.T. (1932) Bulletin of Miscellaneous Information, Kew : 42.

Common name

High Root Quandong; Quandong, High Root; Hard Aceratium; Hard Carabeen; Carabeen, Hard


Frequently a poorly formed tree, often with coppice shoots at the base.


Petiole quite short. Leaf blades about 4.5-12 x 2-4.5 cm, densely hairy on the underside. Leafy twigs densely clothed in pale brown hairs.


Sepals about 9-11 x 2 mm. Petals narrowly obovate, about 14-18 x 4 mm, apex 3-lobed, the lobes often bifid. Stamens about 13-15, filaments slightly bent to sigmoid, about 6-7.5 mm long, sparsely hairy throughout, anthers oblong, about 2-2.5 mm long, minutely puberulous, hispidulous at the apex. Disk about 1 mm high, sericeous. Ovary about 2 mm long, densely villous, ovules 6 per locule. Style about 13-14 mm long.


Fruits sparsely sericeous, ovoid to ellipsoid, about 12-18 x 8-13 mm, pericarp with fibres radiating from the endocarp. Endocarp about 9-10 x 5-6 mm.


Cotyledons without visible venation, a few hairs on the upper surface near the base. At the tenth leaf stage: leaf blade hairy on both the upper and lower surfaces, hairs pale and erect. Seed germination time 306 days.

Distribution and Ecology

Endemic to NEQ, widespread. Altitudinal range from near sea level to 1100 m. Grows in a variety of types of well developed rain forest.

Elaeocarpus concinnus S.Moore, The Journal of Botany 55 : 303(1917), Type: Kuranda, fringe of forest, 1000 ft.; n. 6332. [L.S. Gibbs]. Aristotelia pubescens C.T.White, Queensland Department of Agriculture and Stock. Botany Bulletin 20: 5(1918), Type: Johnstone River, H.G. Ladbrook.
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