PNGTreesKey – Nothofagus grandis Steenis
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
Blumea Vol. 7: 147 (1952)
Other Literature: C.G.G.J. van Steenis, Journal of the Arnold Arboretum 363 (1953) Fig. 17-18.
Timber Group: Major exportable hardwood
Field Characters: Large canopy tree (usually 25-45 m high, sometimes as short as 12 m); Bole markedly fluted (up to 130 cm diam.) or almost cylindrical; straight (bole 10-25 m long); buttresses occasionally buttresses present or buttresses absent; spines spines absent; aerial roots aerial roots absent; stilt roots stilt roots absent; Bark brownish grey or dark brown, rough, scaly or flaky (forming irregular flakes) or pustular, lenticels elongated vertically or lenticels rounded/swelling; Subrhytidome (under-bark) sometimes yellow, dark red, or brown; less than 25 mm thick, 8.0-14.0; bark blaze consisting of one layer; strongly aromatic; pleasant (like coconut milk); outer blaze pink or red, markings absent, slightly fibrous or granular without splinters; inner blaze pink or red, markings absent, slightly fibrous or granular without splinters; bark exudate (sap) absent; terminal buds not enclosed by leaves.
Indumentum: Complex hairs absent; stinging hairs absent; mature twig indumentum (hairs) absent (pale greyish).
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 (3-10 mm long), not winged, attached to base of leaf blade, not swollen; leaves broadest at or near middle (elliptic-oblong), 4.5-10.0 cm, 2.0-5.0 cm; symmetric, entire, not dissected or lobed, emarginate or retuse or rounded, venation pinnate, secondary veins open, prominent (7-9 pairs), intramarginal veins absent; leaves lower surface pale brown, upper surface dull grey, indumentum (hairs) absent; absent; domatia absent; stipules present, free, laterally placed, not encircling the twig, leafy (peltately attached), not fringed, large (5-7 X 3.5-4 mm), persistent.
Flowers: Inflorescence axillary, flowers single (female) or flowers on an unbranched axis (male in 3s (flowers surrounded by a cupule), cones absent; flowers unisexual, unisexual with male and female flowers on the same plant, not stalked (female) or stalked (male), flowers slightly asymmetric, 6.0-9.0 mm long, diameter small (up to10 mm diam.) (up to 9 mm); perianth present, with all sepals and/or petals (hence tepals) similar, inner perianth orange (male); 6 (-9), some or partly joined; stamens 10-17, present, free of each other, free of the perianth; ovary inferior, carpels joined (when more than one), locules 2-6 (-9); styles solitary, 1.
Fruits: Infrutescence arranged on unbranched axis, fruit 7.0-12.0 mm long, 6.0 (c.) mm diam., red or brown, not spiny, non-fleshy, simple, indehiscent, nut; seeds 1, about 10 mm long (8-9 mm long), not winged, broad (as wide as long), seed 1-10 mm diam. (c. 8 mm diam.).
Distribution: West Sepik, East Sepik, Madang, Morobe, Western Highlands, Eastern Highlands, Southern Highlands, Central & Milne Bay.
in PNGplants database
Notes: Notes This species has traditionally been included in the family Fagaceae.