Australian Tropical Rainforest Plants - Online edition

Elaeocarpus hylobroma Y.Baba & Crayn

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Flowers. © G. Sankowsky
Flowers and leaf petioles. © G. Sankowsky
Leaves and flowers. © G. Sankowsky
Leaves and flowers. © G. Sankowsky
Leaves and foveoles. © G. Sankowsky
Scale bar 10mm. © CSIRO

Baba, Y. & Crayn, D. (2012) Elaeocarpus hylobroma (Elaeocarpaceae): a new species endemic. Kew Bulletin 67(4): 744-749 . Type: Australia, Queensland, Dinden Forest Reserve, Kahlpahlim Rock area near tower, E of Mareeba. [Lamb Range, Dinden National Park], 1290 m, 12 Nov. 2004, Ford, Jensen & Cooper 4483.

Common name



Small tree to 18 m tall, usually poorly formed, coppicing.


Leaves clustered towards branch tips, petioles pinkish red, gradually turning green; leaf blade elliptic, narrow-elliptic to oblong, 37-106 (-112) × 10- 30 (-37) mm, both surfaces glabrous except pubescent on midrib, apex acute to acuminate and minutely emarginate with a very short black tooth on abaxial side; base attenuate-cuneate; margin serrate in upper ½ to ⅓ (rarely ⅔), serrations 2-6 each terminated by a minute black tooth associated with a vein ending, slightly recurved, often undulate; secondary veins (3-)4-8 pairs; domatia present in secondary vein axils, pocket-shaped, glabrous inside, 2-8 (-10) per leaf, rarely absent.


Inflorescences racemose, borne amongst and below leaves; flowers (3 -) 5 - 20 per inflorescence; bracts one per flower, caducous, deltoid, once toothed, ciliate, 0.7 - 1.5 mm long. Flowers 5-merous, sepals deltoid, 2.5 - 3 × c. 1 mm, slightly keeled in the lower half; petals white, oblanceolate, 2 - 3 mm × 0.5 - 1 mm, margin sparsely and shortly ciliate (≤0.1 mm), upper ⅓ fringed with 6 - 9 equal narrow triangular segments; stamens borne between disk and ovary, 11 - 14; ovary pale green, pubescent, 3-locular.


Fruit dull blue with pale speckles, obovoid to ellipsoid, 17.5 - 20 mm long × 11 - 13 mm in diam., glabrous. Endocarp rugose, 3-sutured.


Features not available.

Distribution and Ecology

Endemic to NEQ, restricted to the mountain tops from Thornton Peak to the Atherton Tableland. Altitudinal range from 900-1300 m. Grows in well developed mountain rain forest.


Elaeocarpus sp. Mossman Bluff (D.Fell 1666).

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