PNGTreesKey – Cinnamomum eugenoliferum Kosterm.


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

Cinnamomum eugenoliferum Kosterm.

Reinwardtia Vol. 8: 40 (1970)

Family: Lauraceae

Timber Group: Minor hardwood

Field Characters: Large canopy tree or Emergent tree (up to 40 m high); Bole cylindrical (up to c. 80 cm diam.); straight (bole up to 25 m long); buttresses slightly buttresses present; spines spines absent; aerial roots aerial roots absent; stilt roots stilt roots absent; Bark pale brown, mostly smooth; less than 25 mm thick; bark blaze consisting of one layer; strongly aromatic; resinous/linament-like (aromatic like 'lawang' oil); outer blaze pink or pale brown, markings absent; inner blaze pale brown or pink, markings absent; 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 (aromatic when crushed), opposite (in pairs, opposite one another on the branchlet) (to subopposite), simple (a leaf composed of a single blade); petiole present, not winged, attached to base of leaf blade, not swollen or slightly swollen; leaves broadest below middle or broadest at or near middle, 7.5-15.0 cm, 4.5-6.5 cm; symmetric, entire, not dissected or lobed, obtuse or acuminate (shortly), venation trinerved, secondary veins open, not prominent, but visible, intramarginal veins absent; leaves lower surface blue-green or pale green, upper surface dark green (glossy), indumentum (hairs) absent; present; domatia absent; stipules absent.

Flowers: Inflorescence axillary, flowers on a branched axis, cones absent; flowers bisexual, stalked, flowers with many planes of symmetry, 3.5-5.0 mm long, diameter small (up to10 mm diam.) (3-4 mm diam.); perianth present, with all sepals and/or petals (hence tepals) similar, inner perianth white; 3, free; stamens 9, present, free of each other, free of the perianth; ovary superior, carpels solitary, locules 1; styles solitary, 1.

Fruits: Infrutescence arranged on branched axis, fruit 12.0-14.0 mm long, 8.0-10.0 mm diam., almost black or dark green, not spiny, slightly fleshy, simple, indehiscent, drupe; seeds 1 (blue-black), about 10 mm long (10-12 mm long), not winged, broad (as wide as long), seed 1-10 mm diam. (8-10 mm diam.).

Distribution: East Sepik or Central.

Cinnamomum eugenoliferum
Botanical records
in PNGplants database

Map details