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

Dacrycarpus imbricatus (Blume) de Laub. var. robustus de Laub.

Journal of the Arnold Arboretum Vol. 1: 317 (1969)

Family: Podocarpaceae
Conifer

Timber Group: Softwood

Field Characters: Emergent tree or Large canopy tree (up to 45 m high); Bole cylindrical (40-60 cm diam.); straight; buttresses buttresses absent; spines spines absent; aerial roots aerial roots absent; stilt roots stilt roots absent; Bark brownish grey or dark brown, slightly rough or smooth, scaly or flaky (thin papery flakes); Subrhytidome (under-bark) black; less than 25 mm thick, 7.0-10.0; bark blaze with two layers; faintly to non-aromatic; outer blaze red, markings absent, granular without splinters; inner blaze pink or pale red, markings absent, granular without splinters; bark exudate (sap) present, bright red, 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) (may be imisinterpretated as compound because leaves small and close together); petiole absent; leaves broadest below middle or equally broad throughout much of length, (0.1-) 0.3-1.0 cm, 0.2 (c.) cm; symmetric, entire, not dissected or lobed, obtuse or sub acute, intramarginal veins absent; leaves lower surface green, upper surface green, indumentum (hairs) absent; absent; domatia absent; stipules absent.

Flowers: Inflorescence terminal, flowers single (female) or flowers on an unbranched axis (male), cones absent; flowers unisexual, unisexual with male and female flowers on the same plant, not stalked or stalked (shortly), flowers slightly asymmetric, 1.0-(c. (female flowers)-2.0 mm long, diameter small (up to10 mm diam.) (c. 1 mm diam.); perianth absent; stamens 1, absent (anthers inserted on flat scale), free of each other; ovary superior, carpels solitary, locules 1; styles absent.

Fruits: Infrutescence single (female cone) or arranged on unbranched axis (male cone), fruit 5.0-6.0 mm long, 4.0-5.0 mm diam., dark green, not spiny (receptacle warty), non-fleshy or fleshy (receptacle), simple, indehiscent, naked seed only; seeds 1, about 10 mm long (7-8 mm long), not winged, broad (as wide as long), seed 1-10 mm diam. (7-8 mm diam.).

Distribution: Morobe, Western Highlands, Eastern Highlands, Southern Highlands, Central, Northern & Milne Bay.

Botanical records in PNGplants database Map details

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