PNGTreesKey – Canarium indicum L. var. indicum


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 indicum L. var. indicum

Amoenitates Academicae Vol. 4: 143 (1759)

Other Literature: P.W. Leenhouts, Flora Malesiana, Series 1, 266-268 (1956) Fig. 31-34.

Family: Burseraceae

Timber Group: Commercial hardwood

Field Characters: Large canopy tree (10-35 m high) or Small sub-canopy tree; Bole cylindrical or markedly fluted; straight; buttresses buttresses present; spines spines absent; aerial roots aerial roots absent; stilt roots stilt roots absent; Bark grey or brown, rough, slightly pustular or scaly or flaky, lenticels irregular; Subrhytidome (under-bark) green; less than 25 mm thick, 15.0; bark blaze consisting of one layer; strongly aromatic; pleasant; outer blaze pink or pale brown, markings absent, fibrous; inner blaze pink or pale brown, markings absent, fibrous; bark exudate (sap) absent; terminal buds not enclosed by leaves.

Indumentum: Complex hairs absent; stinging hairs absent; mature twig indumentum (hairs) present when young or soon absent, hairs dense to sparse (and then 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, rarely not swollen or swollen (often at base); leaves pinnate (unbranched with more than three leaflets); petiolule swollen (often at both tip and base); rachis present, absent, absent; leaves with a terminal leaflet (the number of leaflets odd - imparipinnate), broadest at or near middle, broadest below middle, or equally broad throughout much of length, (9.0-) 13.0-14.0 (-18.0) cm, (4.0-) 5.0-6.0 (-6.5) cm, leaflets opposite, symmetric, terminal developing leaflet buds curled back on itself; venation pinnate, secondary veins open, prominent, intramarginal veins absent; leaves lower surface green, upper surface dull dark green, indumentum (hairs) absent; absent; domatia absent; stipules present, free, laterally placed, not encircling the twig, leafy, fringed, large, persistent.

Flowers: Inflorescence terminal, flowers on a branched axis, cones absent; flowers unisexual, unisexual with male and female flowers on the same plant, stalked, flowers with many planes of symmetry, 5.0-12.0 (-15.0) mm long, diameter small (up to10 mm diam.) or diameter large (more than10 mm diam.); perianth present, with distinct sepals and petals whorls, inner perianth white or pale yellow; 3, free; stamens 6, present, joined, free of the perianth; ovary superior, carpels joined (when more than one), locules 3; styles solitary, 1.

Fruits: Infrutescence arranged on branched axis, fruit 35.0-60.0 mm long, blue or black, not spiny, non-fleshy, simple, indehiscent, drupe; seeds 1, not winged, narrow (longer than wide), seed 1-10 mm diam. (c. 10 mm diam.).

Distribution: West Sepik, East Sepik, Madang, Morobe, Western, Gulf, Northern, Milne Bay, Papuan Islands, New Britain, New Ireland, Manus & Bougainville.

Canarium indicum var. indicum
Botanical records
in PNGplants database

Map details