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PNGTreesKey Podocarpus archboldii N.E.Gray

 

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

Podocarpus archboldii N.E.Gray

Journal of the Arnold Arboretum Vol. 39: 452 (1958)

Family: Podocarpaceae
Conifer

Timber Group: Softwood

Field Characters: Large canopy tree (up to 40 m high); Bole cylindrical (mostly 30-100 cm diam.); straight (bole up to c. 24 m long); buttresses buttresses absent (sometimes slightly fluted at base); spines spines absent; aerial roots aerial roots absent; stilt roots stilt roots absent; Bark red, grey, or dark brown, slightly rough or almost smooth, slightly fissured or peeling (slightly (in thin stripes); less than 25 mm thick, 7.0-9.0; bark blaze consisting of one layer; faintly to non-aromatic; outer blaze pale orange or pale brown, markings absent, fibrous; inner blaze pale orange or pale brown, markings absent, fibrous; bark exudate (sap) present, 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) absent.

Leaves: Leaves spaced along branches, spiral (leaves occurring singly at a node and arranged spirally up 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 equally broad throughout much of length, 8.5-12.0 cm, 1.5-2.0 cm; symmetric, entire, not dissected or lobed, acuminate, venation parallel-veined, secondary veins closed, not visible, intramarginal veins absent; leaves lower surface pale green, upper surface dark green, indumentum (hairs) absent; absent; domatia absent; stipules absent.

Flowers: Inflorescence axillary, flowers single or flowers on an unbranched axis, cones absent; flowers unisexual, unisexual with male and female flowers on different plants, not stalked or stalked (shortly), flowers slightly asymmetric, 0.5-1.0 mm long, diameter small (up to10 mm diam.) (less than 1 mm diam.); perianth absent; stamens 15, present, free of each other; ovary superior, carpels solitary, locules 1; styles solitary (short), 1.

Fruits: Infrutescence single, fruit 5.0-6.0 mm long, 4.0-5.0 mm diam., red (peduncle fleshy, red), not spiny, non-fleshy, simple, indehiscent, nut; seeds 1, about 10 mm long (10-13 mm long), not winged, broad (as wide as long), seed 1-10 mm diam. (10-13 mm diam.).

Distribution: West Sepik, Morobe, Western Highlands, Eastern Highlands, Southern Highlands, Central, Milne Bay & Bougainville.


Podocarpus archboldii
Botanical records
in PNGplants database

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