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Flower and buds. Copyright Barry Jago
Flowers. Copyright Barry Jago
Flower. Copyright Barry Jago
Dehisced fruit and arillous seed. Copyright W. T. Cooper
Cotyledon stage, hypogeal germination. Copyright CSIRO
10th leaf stage. Copyright CSIRO
Scale bar 10mm. Copyright CSIRO
Dysoxylum arborescens (Blume) Miq.
Miquel, F.A.W. (1868) Annales Musei Botanici Lugduno-Batavi 4: 24. Type: ?.
Goniocheton arborescens Blume, Bijdr. fl. Ned. Ind. 1: 177(1825), Type: Java, Base of Mt Salak & Mt Seribu, C.L. Blume s.n.; holo: L. Alliaria nernstii (F.Muell.) Kuntze, Revisio Generum Plantarum 1: 109(1891), Type: ?. Dysoxylum nernstii F.Muell., Fragmenta Phytographiae Australiae 5: 176(1865), Type: In silvis ad sinum litoreum Rockinghams Bay secus rivos salinos. Dallachy.
Mahogany; Mossman Mahogany; Mahogany, Mossman
Lenticels large and conspicuous, up to 1 cm diameter. Narrow, hard, brittle, pale brown or orange stripes in the blaze.
Compound leaf axis narrowly winged between the basal pair of leaflets and the twig. Small oil dots just visible with a lens. Numerous pale brown circular or slightly elongated lenticels visible on the twigs. Leaflet blades about 8.5-18 x 3-7 cm.
Calyx short, +/- trumpet-shaped, lobes acute, spreading +/- horizontally. Outer surface of the corolla sparsely clothed in pale, prostrate hairs. Petals about 7-10 mm long. Stamens ten. Disk resembles a small staminal tube. Ovary pubescent.
At the tenth leaf stage: leaf blade elliptic, apex acuminate, base attenuate, glabrous on the upper surface; oil dots small, inconspicuous, visible only with a lens. Petiole channelled on the upper surface; hairs on petiole and stem short, prostrate.
Distribution and Ecology
Occurs in CYP and NEQ. Altitudinal range from near sea level to 200 m. Grows in well developed lowland rain forest on a variety of sites. Also occurs on the Andaman Islands, Taiwan and the SW Pacific islands.