PNGTreesKey – Nothofagus perryi 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: 146 (1952)
Other Literature: C.G.G.J. van Steenis, Journal of the Arnold Arboretum 147 (1953) Fig. 3-6.
Timber Group: Major exportable hardwood
Field Characters: Large canopy tree (mostly at least 25-40 m high); Bole cylindrical (60-160 cm diam.); straight (bole 20-40 m long); buttresses slightly buttresses present; spines spines absent; aerial roots aerial roots absent; stilt roots stilt roots absent; Bark yellow, grey, or brown, rough, scaly or flaky (shedding in irregular flakes) or fissured; Subrhytidome (under-bark) orange, pale red, or brown; less than 25 mm thick, 5.0-10.0; bark blaze consisting of one layer; faintly to non-aromatic; outer blaze pale yellow or pink, markings absent, fibrous; inner blaze pale yellow or pink, markings absent, fibrous; bark exudate (sap) absent; 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 (4-6 mm long), not winged, attached to base of leaf blade, not swollen; leaves broadest below middle (ovate-oblong), 4.5-11.0 cm, 2.0-4.5 cm; symmetric, entire or slightly crenate, not dissected or lobed, obtuse, venation pinnate, secondary veins open, prominent (6-8 pairs), intramarginal veins absent; leaves lower surface pale green, upper surface dark green, indumentum (hairs) absent; absent; domatia absent; stipules present, free, laterally placed, not encircling the twig, leafy (attached at lower third), not fringed, large (c. 7 X 3 mm wide), not 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 (shortly male), flowers slightly asymmetric, 2.0-5.0 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 yellow (pale (anthers), greenish red, or green (reddish (cupule); 6 (-9), some or partly joined; stamens 13-15, 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 5.0-8.0 mm long, red or brown, not spiny, non-fleshy, simple, indehiscent, nut (more or less winged, 5-8 mm long); seeds 1, to about 5 mm long, not winged, broad (as wide as long), seed 1-10 mm diam.
Distribution: Morobe, Western Highlands, Eastern Highlands, Southern Highlands & Central.
in PNGplants database
Notes: Notes This species has traditionally been included in the family Fagaceae.