Australian Tropical Rainforest Plants - Online edition

Dysoxylum papuanum (Merr. & L.M.Perry) Mabb.

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Flowers. © Barry Jago
Fruit [not vouchered]. CC-BY J.L. Dowe
Scale bar 10mm. © CSIRO
Cotyledon stage, hypogeal germination. © CSIRO
10th leaf stage. © CSIRO

Mabberley, D.J. (1986) Blumea 31: 131.

Common name

Mahogany, Spice; Spicy Mahogany; Mahogany, Cream; Mahogany, Spicy; Cream Mahogany; Spice Mahogany


Lenticels large, up to 1 cm diam., tending to be in vertical lines. Blaze odour may resemble guava (Psidium guajava). Cream stripes usually visible in the outer blaze.


Leaflet blades about 8-13 x 2-4 cm, shortly stalked or sessile. Numerous lenticels usually apparent on the twigs.


Calyx shallowly cup-shaped, lobes small and inconspicuous. Outer surface of the corolla glabrous. Petals about 1.5-2 mm long. Stamens eight. Disk resembles a very short staminal tube. Ovary pubescent.


Fruits +/- globular, about 15-20 mm long. Sarcotesta reddish-brown. Cotyledons green.


Some leaflets on the first pair of leaves with lobed or wavy margins. At the tenth leaf stage: leaflet blades +/- sessile, unequal-sided at the base; margin sinuate; upper surface of the leaflet blades, leaflet stalks, rhachis and compound leaf petiole sparsely clothed in short erect hairs; oil dots very small, visible only with a lens. Seed germination time 17 to 27 days.

Distribution and Ecology

Occurs in NEQ and CEQ, possibly also in CYP. Altitudinal range from near sea level to 800 m. Grows in well developed rain forest on a variety of sites. Also occurs in New Guinea and the Solomon Islands.

Natural History & Notes

Produces a useful general purpose timber.

Wood specific gravity 0.73. Cause et al. (1989).

Pseudocarapa papuana Merr. & L.M.Perry, Journal of the Arnold Arboretum 21: 315(1940), Type: Papua New Guinea, Morobe District, Sattleberg, 9 may 1936, Clemens 3073; holo: A. Dysoxylum micranthum Merr. & L.M.Perry, Journal of the Arnold Arboretum 22: 257(1941), Type: SOLOMON ISLANDS: San Cristobal, Star Harbor, Brass 3114.
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