PNGTreesKey – Syzygium subcorymbosum Merr. & L.M.Perry
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
Journal of the Arnold Arboretum Vol. xxiii: 297 (1942)
Timber Group: Occasional timber species
Field Characters: Emergent tree (occasionally up to c. 40 m high) or Large canopy tree (up to 30 m high); Bole cylindrical (up to c. 80 cm diam.); straight (bole up to 25 m long); buttresses buttresses present (buttresses up to c. 3.5 m high); spines spines absent; aerial roots aerial roots absent; stilt roots stilt roots absent; Bark brown, pale red, or grey, slightly rough or almost smooth, scaly or flaky (with irregular flakes) or slightly pustular, lenticels irregular; Subrhytidome (under-bark) pink or green; less than 25 mm thick, (5.0-) 8.0-14.0; bark blaze consisting of one layer; faintly to non-aromatic; pleasant; outer blaze red, pink, or brown, markings absent, fibrous; inner blaze pink, red, or brown, markings absent, fibrous; bark exudate (sap) present or absent, colourless, not readily flowing (spotty), colour changing on exposure to air, to purple or red, sticky; terminal buds not enclosed by leaves.
Indumentum: Complex hairs absent; stinging hairs absent; mature twig indumentum (hairs) absent.
Leaves: Leaves spaced along branches, opposite (in pairs, opposite one another on the branchlet), simple (a leaf composed of a single blade); petiole present, not winged, attached to base of leaf blade, not swollen; leaves broadest below middle or broadest at or near middle, (3.5-) 5.0-10.0 (-14.0) cm, (2.0-) 3.0-6.5 cm; symmetric, entire, not dissected or lobed, acuminate, venation pinnate, secondary veins open (with many secondary veins), not prominent, but visible, intramarginal veins absent; leaves lower surface green, upper surface dark green, indumentum (hairs) absent; present; domatia absent; stipules absent.
Flowers: Inflorescence terminal or axillary, flowers on a branched axis, cones absent; flowers bisexual, stalked, flowers with many planes of symmetry, 10.0-12.0 mm long, diameter small (up to10 mm diam.) (c. 10 mm diam.); perianth present, with distinct sepals and petals whorls, inner perianth white; 4, free; stamens 100, present, free of each other, free of the perianth (attached to hypanthium); ovary inferior, carpels joined (when more than one), locules 2; styles solitary, 1.
Fruits: Infrutescence arranged on branched axis, fruit 25.0-40.0 mm long, 15.0-20.0 mm diam., yellow, not spiny, fleshy, simple, indehiscent, drupe; seeds 1, much more than 10 mm long (18-20 mm long), not winged, narrow (longer than wide), seed 1-10 mm diam. (c. 10 mm diam.).
Distribution: West Sepik, East Sepik, Morobe, Western, Central, Papuan Islands, New Britain & Bougainville.
in PNGplants database