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PNGTreesKey Garcinia hunsteinii Lauterb.

 

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

Garcinia hunsteinii Lauterb.

Botanische Jahrbucher für Systematik, Pflanzengeschichte und Pflanzengeographie 40 (1922)

Family: Clusiaceae
Dicotyledon

Timber Group: Occasional timber species

Field Characters: Large canopy tree (up to 30 m high); Bole markedly fluted (up to c. 50 cm diam.); straight (bole c. 20 m long); buttresses buttresses absent; spines spines absent; aerial roots aerial roots absent; stilt roots stilt roots present or stilt roots absent; Bark brown, rough, pustular, lenticels elongated vertically; Subrhytidome (under-bark) brown; less than 25 mm thick, 10.0; bark blaze with two layers; faintly to non-aromatic; pleasant; outer blaze pale yellow, markings absent, granular without splinters; inner blaze white (cream-coloured), markings absent, granular without splinters; bark exudate (sap) present, white/milky or pale yellow, not readily flowing (spotty), 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) 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, 6.0-11.5 cm, 2.0-4.5 cm; symmetric, entire, not dissected or lobed, obtuse, sub acute, or acuminate, venation pinnate, secondary veins open, not prominent, but visible or not visible, intramarginal veins absent; leaves lower surface pale green, upper surface dark green (dull (to sub-glossy), indumentum (hairs) absent; absent; domatia absent; stipules absent.

Flowers: Inflorescence axillary, flowers single or usually flowers arising from a single point, cones absent; flowers unisexual, unisexual with male and female flowers on the same plant, stalked, flowers with many planes of symmetry; perianth present, with distinct sepals and petals whorls, inner perianth yellow (calyx greenish yellow), pale red, or cream-coloured; 5, free; stamens 100, present (but very short), free of each other, free of the perianth; ovary superior, carpels joined (when more than one), locules 2; styles absent (stigma sessile).

Fruits: Infrutescence single, fruit 20.0 (c.) mm long, 20.0 (c.) mm diam., dark red or black (with white to yellow exudate), not spiny, fleshy, simple, indehiscent, drupe; seeds 2 (white), about 10 mm long (10-14 mm long), not winged, broad (as wide as long) (laterally compressed), seed 1-10 mm diam. (10-12 mm diam.).

Distribution: West Sepik, East Sepik, Madang, Morobe, Western Highlands, Eastern Highlands, Western, Gulf, Central, Northern, Milne Bay, New Britain & Bougainville.


Garcinia hunsteinii
Botanical records
in PNGplants database

Map details



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Notes: Notes Often included in the family Guttiferae.

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