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Flowers. Copyright Barry Jago
10th leaf stage. Copyright CSIRO
Cotyledon stage, hypogeal germination. Copyright CSIRO
Scale bar 10mm. Copyright CSIRO
Dysoxylum papuanum (Merr. & L.M.Perry) Mabb.
Mabberley, D.J. (1986) Blumea 31: 131. Type: ?.
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.
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.
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.
Distribution and Ecology
Occurs in NEQ and southwards as far as coastal central Queensland. 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.
Produces a useful general purpose timber.
Wood specific gravity 0.73. Cause et al. (1989).