PNGTreesKey – Chisocheton longistipitatus (Bailey) L.S.Sm.
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
Proceedings of the Royal Society of Queensland Vol. 70: 29 (1959)
Other Literature: P.F. Stevens, Handbooks of the Flora of Papua New Guinea 152-156 (1995)
Timber Group: Commercial hardwood
Field Characters: Large canopy tree (up to 39 m high); Bole cylindrical (trunk slightly flutted, up to 75 cm diam.); straight; buttresses buttresses present (buttresses up to 1.5 m high) or buttresses absent; spines spines absent; aerial roots aerial roots absent; stilt roots stilt roots absent; Bark brown, slightly rough or smooth, pustular, lenticels elongated vertically; Subrhytidome (under-bark) pale yellow; less than 25 mm thick, 10.0 (c.); bark blaze consisting of one layer; faintly to non-aromatic; outer blaze pale yellow, pale pink, or pale red, markings absent; inner blaze pale yellow, pale pink, or pale red, markings absent; bark exudate (sap) present or absent, white/milky, 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 spaced along branches, spiral (leaves occurring singly at a node and arranged spirally up the branchlet), compound (a leaf made up from two or more leaflets); petiole present, not winged, attached to base of leaf blade, not swollen or swollen (slightly (at base); leaves pinnate (unbranched with more than three leaflets); petiolule not swollen or slightly swollen; rachis present, absent, absent; leaves with a terminal leaflet (the number of leaflets odd - imparipinnate), broadest at or near middle, (7.0-) 9.0-35.0 (-45.0) cm, (2.5-) 4.0-13.0 (-23.0) cm, leaflets opposite, asymmetric, terminal developing leaflet buds curled back on itself; venation pinnate, secondary veins open, prominent, intramarginal veins absent; leaves lower surface green, upper surface dark green, indumentum (hairs) present, indumentum (hairs) dense; absent; domatia absent; stipules absent.
Flowers: Inflorescence axillary, flowers on a branched axis, cones absent; flowers bisexual, not stalked or stalked (shortly), flowers with many planes of symmetry, 6.0-7.0 mm long, diameter small (up to10 mm diam.) (c. 5 mm diam.); perianth present, with distinct sepals and petals whorls, inner perianth white or pale yellow; 4-5, some or partly joined; stamens (4-) 5, absent, joined (to form a staminal tube), free of the perianth; ovary superior, carpels joined (when more than one), locules 2 (-3); styles solitary, 1.
Fruits: Infrutescence arranged on unbranched axis or arranged on branched axis, fruit 30.0-40.0 mm long, red or reddish brown, not spiny, non-fleshy or slightly fleshy, simple, indehiscent or slightly dehiscent, capsule; seeds 2-3 (-5), much more than 10 mm long, not winged, narrow (longer than wide), seed 1-10 mm diam.
Distribution: West Sepik or New Britain.
in PNGplants database