PNGTreesKey – Syzygium triphlebia Diels
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
Botanische Jahrbucher für Systematik, Pflanzengeschichte und Pflanzengeographie Vol. 57: 400 (1922)
Timber Group: Non-timber species
Field Characters: Small sub-canopy tree (15-25 m high); Bole cylindrical (up to c. 25 cm diam.); straight (bole up to c. 10 m long); buttresses buttresses absent; spines spines absent; aerial roots aerial roots absent; stilt roots stilt roots absent; Bark grey or brown, rough, strongly fissured or scaly or flaky; Subrhytidome (under-bark) green or red; less than 25 mm thick, 8.0-10.0; bark blaze consisting of one layer; faintly to non-aromatic; outer blaze red or brown, markings absent, sub fibrous; inner blaze red or brown, markings absent, sub 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 below middle or broadest at or near middle, 9.0-11.0 cm, 3.0-5.0 cm; symmetric, entire, not dissected or lobed, acuminate, venation pinnate, secondary veins open, not prominent, but visible, intramarginal veins present (c. 1 mm from margin); leaves lower surface pale green, upper surface dark green (glossy), indumentum (hairs) absent; present; domatia absent; stipules absent.
Flowers: Inflorescence axillary or terminal, flowers on a branched axis, cones absent; flowers bisexual, stalked, flowers with many planes of symmetry, 10.0-14.0 mm long, diameter small (up to10 mm diam.) (c. 10 mm diam.); perianth present, with distinct sepals and petals whorls, inner perianth pale yellow; 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 10.0-15.0 mm long, 12.0-15.0 mm diam., presumably red or green (when immature (often with pink tinge), not spiny, fleshy, simple, indehiscent, drupe; seeds 1, about 10 mm long (8-10 mm long), not winged, broad (as wide as long), seed 1-10 mm diam. (6-8 mm diam.).
Distribution: East Sepik or Morobe.
in PNGplants database
Notes: Notes This species is very inadequately known.