PNGTreesKey – Terminalia canaliculata Excell
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
Blumea Vol. 7: 327 (1953)
Other Literature: M.J.E. Coode, Handbooks of the Flora of Papua New Guinea 69-72 (1978) Fig. 27.
Timber Group: Occasional timber species
Field Characters: Large canopy tree (up to 40 m high); Bole cylindrical (up to c. 60 cm diam.); straight; buttresses buttresses present (often spurred); spines spines absent; aerial roots aerial roots absent; stilt roots stilt roots absent; Bark pale brown, rough, slightly pustular, scaly or flaky, or tessellated, lenticels irregular; Subrhytidome (under-bark) red or brown; less than 25 mm thick, 18.0-20.0; bark blaze consisting of one layer; faintly to non-aromatic; pleasant; outer blaze yellow, markings absent, fibrous; inner blaze yellow, markings absent, fibrous; bark exudate (sap) present, colourless, not readily flowing (spotty), colour changing on exposure to air, to brown or brownish yellow, sticky; terminal buds enclosed by leaves.
Indumentum: Complex hairs absent; stinging hairs absent; mature twig indumentum (hairs) absent.
Leaves: Leaves slightly spaced along branches or clustered at end of branches, spiral (leaves occurring singly at a node and arranged spirally up the branchlet), simple (a leaf composed of a single blade); petiole present, not winged, attached to base of leaf blade, not swollen; leaves sometimes broadest at or near middle or broadest above middle, 6.5-15.0 cm, (2.0-) 4.0-8.0 cm; symmetric, entire, not dissected or lobed, obtuse or acuminate, venation pinnate, secondary veins open, prominent, intramarginal veins absent; leaves lower surface pale green, upper surface green, indumentum (hairs) present when young or absent, indumentum (hairs) sparse or dense; absent (with large canals present above veins, translucent at least when young); domatia present, scattered along midrib; stipules absent.
Flowers: Inflorescence axillary, flowers on an unbranched axis, cones absent; flowers bisexual (towards base of inflorescence) or unisexual (male flowers towards apex of inflorescence), stalked (shortly), flowers with many planes of symmetry, 4.0-5.0 mm long, diameter small (up to10 mm diam.) (c. 5 mm diam.); perianth present, with all sepals and/or petals (hence tepals) similar or petals absent, inner perianth white; 5, free; stamens 10, present, free of each other, free of the perianth; ovary inferior, carpels joined (when more than one), locules 2; styles solitary, 1.
Fruits: Infrutescence arranged on unbranched axis, fruit 35.0-40.0 mm long, 30.0-35.0 mm diam., green when immature, not spiny, fleshy, simple, indehiscent, drupe; seeds 1, about 10 mm long, not winged (fruit not winged also), narrow (longer than wide), seed 1-10 mm diam.
Distribution: Morobe, Southern Highlands, Western, Gulf, Central, Northern, Milne Bay & New Britain.
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