Australian Tropical Rainforest Plants - Online edition

Dillenia alata (R.Br. ex DC.) Martelli

Shrub (woody or herbaceous, 1-6 m tall)
Click/tap on images to enlarge
Flower. © Stanley Breeden
Dehiscing fruit. © Stanley Breeden
Dehiscing fruit. © W. T. Cooper
Scale bar 10mm. © CSIRO
Habit, flower. © CSIRO
Cotyledon stage, epigeal germination. © CSIRO
10th leaf stage. © CSIRO

Martelli, U. (1886) Malesia 3 : 157.

Common name

Golden Guinea Tree; Red Beech; Beech, Red


Bark reddish brown, papery.


Leaf blades about 11-23 x 6-13 cm. Petiole winged, base of the petiole clasping the stem and leaving a scar encircling the twig when the leaf falls.


Inflorescence +/- leaf opposed, i.e. produced on the twigs opposite the leaves. Petals obovate, about 40 x 25 mm. Styles, anthers and staminodes pink or red.


Sepals green, +/- fleshy, persistent even in dehisced fruits. Fruiting carpels about 18-20 x 10-14 mm. Seeds about 4 x 3 mm.


Cotyledons ovate with a winged petiole. At the tenth leaf stage: leaf blade margin crenate to sinuate. Petiole strongly winged at and before tenth leaf stage. Seed germination time 34 to 43 days.

Distribution and Ecology

Occurs in NT, CYP and NEQ. Altitudinal range from near sea level to 600 m. Grows in rain forest but frequently found in wet situations in other types of forest, particularly on the coastal lowlands. Also occurs in New Guinea and some of the adjacent islands.

Natural History & Notes

A medium sized shady tree of considerable horticultural merit which produces large yellow flowers.

Wormia alata DC., Regni Vegetabilis Systema Naturale 1 : 434(1817), Type: Banks, Endeavour Riv., Point Look Out; holo: BM; iso:E, P.
RFK Code
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