PNGTreesKey – Calophyllum morobense P.F.Stevens


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

Calophyllum morobense P.F.Stevens

Australian Journal of Botany Vol. 22: 378 (1974) Fig. 9.

Other Literature: P.F. Stevens, Handbooks of the Flora of Papua New Guinea 86-87 (1995)

Family: Clusiaceae

Timber Group:

Field Characters: Small sub-canopy tree (up to 21 m high); Bole cylindrical (c. 30 cm diam.); straight; buttresses buttresses absent; spines spines absent; aerial roots aerial roots absent; stilt roots stilt roots absent; Bark green (greyish Sometimes with dull oranges patches), grey, or brown, rough, slightly fissured; Subrhytidome (under-bark) red (dark (dull); less than 25 mm thick; bark blaze consisting of one layer; faintly to non-aromatic; outer blaze yellow (pale (cream-coloured), markings absent; inner blaze yellow (pale (cream-coloured), markings absent; bark exudate (sap) present, yellow, flowing, colour not changing on exposure to air, sticky; terminal buds not enclosed by leaves.

Indumentum: Complex hairs absent; stinging hairs absent; mature twig indumentum (hairs) present when young, hairs sparse.

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 or broadest below middle, 4.5-9.0 cm, 2.0-4.5 cm; symmetric, entire, not dissected or lobed, long-tapering, venation pinnate, secondary veins closed, prominent or not prominent, but visible, intramarginal veins absent; leaves lower surface green, upper surface dull dark green, indumentum (hairs) absent when mature; absent; domatia absent; stipules absent.

Flowers: Inflorescence axillary, flowers on an unbranched axis, cones absent; stalked; perianth presumably present, presumably with all sepals and/or petals (hence tepals) similar; stamens presumably present, presumably free of each other, presumably free of the perianth; ovary superior, carpels joined (when more than one), locules 1.

Fruits: Infrutescence arranged on unbranched axis, fruit 25.0-30.0 mm long, dark blue or brown (when dry), not spiny, non-fleshy, simple, indehiscent, drupe; seeds 1, much more than 10 mm long, not winged, broad (as wide as long), seed more than 10 mm diam. (18-20 mm diam.).

Distribution: Morobe.

Calophyllum morobense
Botanical records
in PNGplants database

Map details


Notes: Notes Often included in the family Guttiferae.