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Genus Elaeocarpus Family Elaeocarpaceae

Description: Trees or shrubs, pubescent or glabrous.

Leaves simple or more usually 1-foliolate with a swelling at apex of petiole at junction with lamina; the margins commonly toothed, sometimes entire; venation usually prominently reticulate. Leaves often turning red before falling.

Inflorescence a raceme, often ramiflorous or borne amongst the leaves at end of branches. Flowers usually bisexual, sometimes polygamous, 4- or 5-merous. Petals usually finely divided into linear lobes. Stamens numerous, anthers often awned, dehiscing by apical slits; anthers mostly much longer than the filament.

Fruit a drupe, usually blue, sometimes black; stone often deeply sculptured and called a 'quandong'.


Photo © ANBG

Distribution and occurrence: World: c. 350 species, Madagascar, India to Japan and South-East Asia, Australasia, SW Pacific, Hawaii. Australia: c. 30 species, Qld, N.S.W., Vic., Tas, N.T.

Text by D.M. Crayn, C. Gardner & L. Murray
Taxon concept:

 Key to the species 
1Plant growing on Lord Howe IslandElaeocarpus costatus
Plant growing in NSW2
2Mature leaves hairy on lower surface, usually densely so, glabrous or hairy above; inflorescence always borne amongst the leaves3
Mature leaves glabrous, or almost so, on both surfaces, sometimes young leaves hairy; inflorescence ramiflorous or borne amongst the leaves
                       Back to 1
4
3Leaves simple, margins distinctly and regularly toothed; petiole <10 mm long, apex not swollenElaeocarpus holopetalus
Leaves 1-foliolate, margins more or less entire or with a few shallow teeth; petiole >10 mm long, apex swollen at junction with lamina
                       Back to 2
9
4Leaves simple, petiole not swollen at junction with lamina5
Leaves 1-foliolate, petiole swollen near junction with lamina
                       Back to 2
7
5Leaves finely and regularly toothed; secondary veins more than 9 pairs6
Leaves irregularly and shallowly toothed or crenate, rarely entire; secondary veins less than 9 pairs
                       Back to 4
Elaeocarpus obovatus
6Domatia absent; petiole less than 10 mm longElaeocarpus holopetalus
Domatia regularly present along midvein, numerous; petiole 10–20 mm long
                       Back to 5
Elaeocarpus grandis
7Leaves with usually more than 9 pairs of secondary veins; lamina regularly and finely toothed from near the base; small domatia regularly present along midvein8
Leaves with 6–9 pairs of secondary veins; lamina with irregular distant teeth, often only in the upper half, or margins sometimes more or less entire; domatia absent
                       Back to 4
Elaeocarpus eumundi
8Leaves with 9–15 pairs of secondary veins, petiole mostly less than 20 mm longElaeocarpus reticulatus
Leaves with usually more than 15 pairs of secondary veins; petiole mostly more than 20 mm long
                       Back to 7
Elaeocarpus kirtonii
9Leaves oblanceolate, not glaucous on lower surface; inflorescences >10-flowered; fruit strongly 3-groovedElaeocarpus williamsianus
Leaves elliptic to obovate, glaucous on lower surface; inflorescences <10-flowered; fruit not strongly grooved
                       Back to 3
Elaeocarpus sedentarius

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