PNGTreesKey – Maniltoa plurijuga Merr. & L.M.Perry
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
Journal of the Arnold Arboretum Vol. 23: 398 (1942)
Other Literature: B. Verdcourt, A Manual of New Guinea Legumes 67-69 (1979)
Timber Group: Minor hardwood
Field Characters: Large canopy tree (up to 40 high) or Small sub-canopy tree; Bole cylindrical (37-85 cm diam.); straight (bole 15-25 m long); buttresses buttresses present (usually buttresses up to 2.2 m high) or sometimes buttresses absent; spines spines absent; aerial roots aerial roots absent; stilt roots stilt roots absent; Bark red or brown to black, slightly rough or mostly smooth, slightly pustular, lenticels rounded/swelling; less than 25 mm thick; bark blaze consisting of one layer; faintly to non-aromatic; outer blaze white (slightly pinkish) or pale pink, markings absent; inner blaze white (slightly pinkish) or pale pink, markings absent; 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), compound (a leaf made up from two or more leaflets); petiole present, not winged, attached to base of leaf blade, not swollen; leaves pinnate (unbranched with more than three leaflets) (mostly 10-15 pairs of leaflets); petiolule not swollen; rachis present, absent, absent; leaves without a terminal leaflet (the number of leaflets even - paripinnate), broadest below middle or equally broad throughout much of length, 2.5-5.0 (-6.0) cm, 0.6-2.0 cm, leaflets opposite, slightly asymmetric or symmetric; venation pinnate, secondary veins open, prominent, 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, not fringed, not persistent (almost immediately).
Flowers: Inflorescence axillary, flowers arising from a single point or flowers on an unbranched axis (axis reduced), cones absent; flowers bisexual, stalked, flowers with many planes of symmetry, 9.0-13.0 mm long, diameter large (more than10 mm diam.); perianth present, with distinct sepals and petals whorls, inner perianth white; 5, free; stamens 10, present, joined, free of the perianth; ovary superior, carpels joined (when more than one), locules 1; styles solitary, 1.
Fruits: Infrutescence arising from single point or arranged on unbranched axis, fruit 27.0-43.0 mm long, brown, not spiny, non-fleshy, simple, indehiscent, drupe; seeds 1 (-2), much more than 10 mm long, not winged, broad (as wide as long), seed more than 10 mm diam. (slightly falttened, 20-30 mm wide).
Distribution: West Sepik or Morobe.
in PNGplants database
Notes: Notes This species is classified in Fabaceae subfamily Caesalpinoideae.