PNGTreesKey – Calophyllum streimannii 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 streimannii P.F.Stevens

Australian Journal of Botany Vol. 22: 401 (1974) Fig. 14.

Other Literature: P.F. Stevens, Handbooks of the Flora of Papua New Guinea 105-106 (1974)

Family: Clusiaceae

Timber Group: Non-timber species

Field Characters: Large canopy tree (up to 35 m high) or Small sub-canopy tree (usually to 20 m high); Bole cylindrical (up to c. 100 cm diam.); straight (bole up to 25 m long); buttresses buttresses absent; spines spines absent; aerial roots aerial roots present; stilt roots stilt roots present; Bark dark grey, rough, slightly fissured; Subrhytidome (under-bark) dark red; less than 25 mm thick; bark blaze consisting of one layer; faintly to non-aromatic; outer blaze white or pink, markings absent; inner blaze white or pink, markings absent; bark exudate (sap) present, slightly yellow or colourless, not readily flowing (spotty), colour not changing on exposure to air, not sticky; terminal buds not enclosed by leaves.

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

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, 5.2-14.0 cm, 2.2-6.0 cm; symmetric, entire, not dissected or lobed, sub acute or acuminate, venation pinnate, secondary veins closed, prominent, intramarginal veins absent; leaves lower surface green, upper surface dark green, indumentum (hairs) absent or sometimes present, indumentum (hairs) sparse; absent; domatia absent; stipules absent.

Flowers: Inflorescence axillary, flowers on an unbranched axis, cones absent; flowers bisexual?, stalked, flowers with many planes of symmetry; perianth present, with all sepals and/or petals (hence tepals) similar, inner perianth white; 8, free; stamens 80 (c.), present, free of each other, free of the perianth; ovary superior, carpels joined (when more than one), locules 1.

Fruits: Infrutescence arranged on unbranched axis, fruit 35.0-50.0 mm long, dark blue or brown (dark (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 1-10 mm diam. (c. 2 mm diam.).

Distribution: Morobe.

Calophyllum streimannii
Botanical records
in PNGplants database

Map details


Notes: Notes Mature flowers of this species are unknow, only know in bud. Often included in the family Guttiferae.