PNGTreesKey – Syzygium pachycladum (Lauterb. & K.Schum.) 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. 23: 258 (1942)
Field Characters: Emergent tree (up to c. 45 m high) or Large canopy tree (up to c. 30 m high); Bole cylindrical (up to c. 100 cm diam.); straight (bole up to 25 m long); buttresses buttresses present (plank buttresses up to 2.5 m high); spines spines absent; aerial roots aerial roots absent; stilt roots stilt roots absent; Bark white, grey, or brown, rough or smooth, scaly or flaky (papery flakes); Subrhytidome (under-bark) mottled, green, or red; less than 25 mm thick, 8.0-15.0; bark blaze consisting of one layer; faintly to non-aromatic; outer blaze red or brown, markings absent, fibrous; inner blaze brown or red, markings absent, fibrous; bark exudate (sap) absent; 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 at or near middle, (25.0-) 30.0-40.0 cm, (15.0-) 20.0-25.0 cm; symmetric, entire, not dissected or lobed, rounded or obtuse, venation pinnate, secondary veins open, prominent, intramarginal veins absent; leaves lower surface green, upper surface dull dark green, indumentum (hairs) absent; present; domatia absent; stipules absent.
Flowers: Inflorescence axillary (amongst lower leaves) or on the trunk or branches, flowers on a branched axis, cones absent; flowers bisexual, stalked, flowers with many planes of symmetry, 40.0 (c.) mm long, diameter large (more than10 mm diam.) (c. 40 mm diam.); perianth present, with distinct sepals and petals whorls, inner perianth deeply red, pink, or purple; 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 40.0 (c.) mm long, 15.0-25.0 mm diam., dark red or pale purple, not spiny, fleshy, simple, indehiscent, drupe; seeds 1, much more than 10 mm long (30-35 mm long), not winged, narrow (longer than wide), seed more than 10 mm diam. (15-20 mm diam.).
Distribution: East Sepik, Madang, Morobe, Western Highlands, Eastern Highlands & Southern Highlands.
in PNGplants database