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PNGTrees Calophyllum goniocarpum P.F.Stevens


Barry Conn (NSW) & Kipiro Damas (LAE).
Copyright held by the authors, Royal Botanic Gardens and Domain Trust, and Papua New Guinea National Herbarium

Calophyllum goniocarpum P.F.Stevens

Australian Journal of Botany Vol. 22: 369 (1974)

Other Literature: (1974)

Family: Clusiaceae
No. Timber species Occasional timber species

Field Characters: Large trees 20-30 m high. Bole cylindrical 25-60 cm diam.; straight bole 10-25 m long; buttresses absent; spines absent; aerial roots absent; stilt roots absent. Bark pale grey or slightly brown, rough, fissured sometimes with small horizontal ridges; subrhytidome yellow, red, or pink; bark thickness <25 mm thick, 10.0 mm thick; blaze consisting of one layer; faintly to non-aromatic; outer blaze pale pink or pale yellow cream-coloured, markings absent, fibrous; inner blaze pale yellow cream-coloured or pale pink, markings absent, fibrous; exudate present, colourless, spotty, changing colour on exposure to air, to yellow, sticky. Terminal buds not enclosed by leaves; complex hairs absent; stinging hairs absent; mature twig without hairs.

Leaves: Spaced along branches <internodes readily visible>. Leaves sub opposite, simple; petiole present petiole 12-18 mm long, not winged, attached to base of leaf blade <not peltate>, not swollen; lamina broadest at or near middle or slightly broadest below middle, 8.5-11.5 cm long, 3.5-4.5 cm wide; lamina symmetric, margin entire, not dissected or lobed, apex almost rounded or obtuse, venation pinnate <secondary veins arising from the midrib along its length>, secondary veins closed <spaced so close together that tertiary veins cannot be easily seen between them>, not prominent, but visible, intramarginal veins absent; lower surface pale green, upper surface green, hairs absent; oil dots absent; domatia absent; stipules absent.

Flowers: Inflorescence axillary <from between a leaf and branch>. Flowers on a branched axis with 1-3 flowers; flowers bisexual, stalked pedicel 0.5-10 mm long, with many planes of symmetry <actinomorphic>, 4.0-5.0 mm long, small (< or =10 mm diam.) about 5 mm diam.; perianth present, with all sepals and/or petals (hence tepals) similar, white; inner perianth 4, free; stamens c. 50, filaments present, free of each other, free of perianth; ovary superior <seated above petals and sepals; hypogenous>, carpels joined (when more than one) <syncarpous>, locules 1; styles solitary <including joined together>, 1.

Fruits: Fruits arranged on branched axis. Fruit 20-25 mm long, 10.0-12.0 mm diam., fruit green or blue, not spiny, slightly fleshy or non-fleshy, simple, indehiscent, drupe. Not winged, longer than wide.

Distribution: Morobe, Western & Papuan Islands.

Calophyllum goniocarpum
Botanical records
in PNGplants database

Map details

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