PNGTreesKey – Inocarpus fagifer (Parkinson) Fosberg


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

Inocarpus fagifer (Parkinson) Fosberg

Journal of the Washington Academy of Science Vol. 31: 95 (1941)

Other Literature: B. Verdcourt, A Manual of New Guinea Legumes 302-304 (1979) Fig. 67.

Family: Fabaceae

Timber Group: Occasional timber species

Field Characters: Large canopy tree (mostly 10-30 m high) or Small sub-canopy tree; Bole cylindrical or markedly fluted (often 30-65 cm diam.); straight (bole 7-8 m long); buttresses buttresses present; spines spines absent; aerial roots aerial roots absent; stilt roots stilt roots absent; Bark grey (mottled) or brown (glossy), slightly rough or smooth, slightly scaly or flaky or pustular, lenticels elongated laterally; Subrhytidome (under-bark) green; less than 25 mm thick, 4.0-6.0; bark blaze consisting of one layer; faintly to non-aromatic; outer blaze white or pale yellow, markings absent; inner blaze white or pale yellow, markings absent; bark exudate (sap) present, red or reddish brown, not readily flowing (spotty), colour changing on exposure to air, to brown, sticky; 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, not winged, attached to base of leaf blade, not swollen; leaves broadest at or near middle or broadest below middle, 100.0-400.0 (-520.0) cm, 40.0-180.0 cm; symmetric, entire, not dissected or lobed, rounded, obtuse, acute, or rarely acuminate, venation pinnate, secondary veins open, prominent, intramarginal veins absent; leaves lower surface pale green, upper surface dull green, indumentum (hairs) absent; absent; domatia absent; stipules present, free, laterally placed, not encircling the twig, leafy, not fringed, small, not persistent.

Flowers: Inflorescence axillary (crowded on upper half of stout inflorescences), flowers on an unbranched axis or flowers on a branched axis, cones absent; flowers bisexual, not stalked, flowers with many planes of symmetry, 10.0-16.0 mm long, diameter small (up to10 mm diam.); perianth present, with distinct sepals and petals whorls, inner perianth white or yellow; (4-) 5 (-6), some or partly joined; stamens 10, present, joined, joined to the perianth; ovary superior, carpels joined (when more than one), locules 1; styles solitary, 1.

Fruits: Infrutescence arranged on unbranched axis or arranged on branched axis, fruit 55.0-100.0 mm long, brown, not spiny, non-fleshy, simple, dehiscent, legume or loment; seeds 1, much more than 10 mm long, not winged, broad (as wide as long), seed 1-10 mm diam.

Distribution: West Sepik, Madang, Morobe, Western, Milne Bay, Papuan Islands & New Britain.

Inocarpus fagifer
Botanical records
in PNGplants database

Map details


Notes: Notes This species is classified in Fabaceae subfamily Faboideae.