PNGTreesKey – Canarium macadamii Leenh.


Barry Conn (NSW) & Kipiro Damas (LAE).
Guide to trees of Papua New Guinea
Copyright held by the authors, National Herbarium of New South Wales, and Papua New Guinea National Herbarium

Canarium macadamii Leenh.

Blumea Vol. 8: 191 (1955) Fig. 5.

Other Literature: P.W. Leenhouts, Flora Malesiana, Series 1, 289 (1956)

Family: Burseraceae

Timber Group: Commercial hardwood Tradename: Galip

Field Characters: Large canopy tree (up to 50 m high); Bole cylindrical (up to 1 m high); straight (bole up to 1 m long); buttresses buttresses present (long and thin) or buttresses absent; spines spines absent; aerial roots aerial roots absent; stilt roots stilt roots absent; Bark brown, slightly rough or smooth, scaly or flaky or pustular, lenticels irregular; Subrhytidome (under-bark) pale brown; less than 25 mm thick, 15.0-19.0; bark blaze with two layers; outer blaze pale brown, markings absent, fibrous; inner blaze pale yellow or pale pink, with stripes (orange), fibrous; bark exudate (sap) present, colourless, not readily flowing (spotty), colour not changing on exposure to air, sticky; terminal buds not enclosed by leaves.

Indumentum: Complex hairs absent; stinging hairs absent; mature twig indumentum (hairs) absent.

Leaves: Leaves spaced along branches, spiral (leaves occurring singly at a node and arranged spirally up the branchlet), compound (a leaf made up from two or more leaflets); petiole present, not winged, attached to base of leaf blade, not swollen; leaves with two leaflets or pinnate (unbranched with more than three leaflets); petiolule not swollen; rachis present, absent, absent; leaves with a terminal leaflet (the number of leaflets odd - imparipinnate), broadest below middle, 13.0-14.0 cm, 6.0-8.0 cm, leaflets opposite, symmetric; venation pinnate, secondary veins open, prominent, intramarginal veins absent; leaves lower surface pale green, upper surface dark green (glossy), indumentum (hairs) absent; absent; domatia absent; stipules present, free, laterally placed, not encircling the twig, leafy, not fringed, large, persistent.

Flowers: Inflorescence axillary, flowers on a branched axis, cones absent; flowers unisexual (female unknown), stalked, flowers with many planes of symmetry, 5.0-7.0 mm long, diameter small (up to10 mm diam.); perianth present, with distinct sepals and petals whorls, inner perianth white; 3, free; stamens 6, present, free of each other, free of the perianth; ovary superior, carpels joined (when more than one), locules 3; styles solitary, 1.

Fruits: Infrutescence arranged on unbranched axis or arranged on branched axis, fruit 26.0-35.0 mm long, blue or black (edible, flesh green, with resiniferous odour), not spiny, non-fleshy or fleshy (slightly hard brown shell), simple, indehiscent, drupe; seeds 1, much more than 10 mm long (c. 20 mm long), not winged, broad (as wide as long), seed 1-10 mm diam.

Distribution: Morobe.

Canarium macadamii
Botanical records
in PNGplants database

Map details


Notes: Notes Possibly a rare species.