PNGTreesKey – Lithocarpus vinkii Soepadmo
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
Reinwardtia Vol. 8: 286 (1970)
Other Literature: E. Soepadmo, Flora Malesiana, Series 1, 365 (1972)
Timber Group: Major exportable hardwood
Field Characters: Large canopy tree (15-30 m high) or Small sub-canopy tree; Bole cylindrical (30-70 cm diam.); straight (bole up to 25 m long); buttresses sometimes buttresses present or buttresses absent; spines spines absent; aerial roots aerial roots absent; stilt roots stilt roots absent; Bark grey or brown, rough or smooth, fissured (finely or smooth) or slightly pustular, lenticels irregular (sparse); Subrhytidome (under-bark) red or brown (streaky); less than 25 mm thick; bark blaze consisting of one layer; faintly to non-aromatic; outer blaze pink or pale brown, markings absent; inner blaze pink or pale brown, markings absent; 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 present, star-like (stellate); stinging hairs absent; mature twig indumentum (hairs) present, hairs dense.
Leaves: Leaves clustered at end of 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 rarely broadest below middle, (7.0-) 8.0-14.0 (-18.0) cm, (3.0-) 4.0-5.0 (-7.0) cm; symmetric, entire, not dissected or lobed, abruptly acute or acuminate (tip sometimes oblique), venation pinnate, secondary veins open, prominent (8-)10-12 pairs), intramarginal veins absent; leaves lower surface yellow or grey, upper surface brown or grey (pale (to dark grey), indumentum (hairs) absent (above) or present (adpressed minute stellate hairs below), indumentum (hairs) dense; absent; domatia absent; stipules present, free, laterally placed, not encircling the twig, ovate leafy, not fringed, small (1-2 mm lonf), not persistent.
Flowers: Inflorescence axillary or leaf-opposed, flowers single (female) or flowers on an unbranched axis (male in clusters of 3s, female rarely in clusters of 2s), cones absent; flowers unisexual, unisexual with male and female flowers on the same plant, not stalked, flowers slightly asymmetric, 2.0-3.0 mm long, diameter small (up to10 mm diam.) (c. 3 mm diam.); perianth present, with all sepals and/or petals (hence tepals) similar, inner perianth pale yellow; 6, some or partly joined; stamens 10-12, present, free of each other, free of the perianth; ovary inferior, carpels joined (when more than one), locules 2-6 (-9); styles free, 3 (-4).
Fruits: Infrutescence single or sometimes arranged on unbranched axis, fruit 15.0-25.0 mm long, pale brown, not spiny, non-fleshy, simple, indehiscent, nut; seeds 1, much more than 10 mm long (c. 15 mm long), not winged, broad (as wide as long), seed more than 10 mm diam. (c. 12 mm diam.).
Distribution: Morobe, Eastern Highlands, Southern Highlands, Western, Gulf, Central, Northern, Milne Bay & Papuan Islands.
in PNGplants database