Flora of Papua New Guinea 
Lae National Herbarium 
10045 Mimosoideae 
Archidendron cf. megaphyllum Merrill & Perry 
East Sepik Province, near Langu village; from margins of Metroxyion 
swamp and on lower slopes of adjacent hills, elev. 40-200 m, near 
4° 11* S, 142° 44’ E. 
w. 10042 et seq.; on hillside, c. 15 m treelet, fistulose, 
myrmecophilous, ramifying; branchlets robust, puberulent, cylindric; 
leaves paripinnate, axial length c. 70 cm overall, petiole approx. 18- 
20 cm, strictly terete, swollen at the base, velutinous; rachis with 
similar indumentum, unijugate, ecanaliculate, provided with 
conspicuous glands at the commissure of the pinnae and also 
between the leaflets, the glands crateriform, glabrous, not urceolate, 
rim manifestly elevate; leaflets opposed, petiolules swollen, terete, 5 
mm, hairy; blades elliptic-ovate, typically 27 cm x 12.5 cm, each 
pinna 5-jugate and with a single basal leaflet, blade apices 
acuminate, margins subentire, base obtuse or suboblique, leaf 
texture papery, adaxial surface buiiate, dark duii green x slightly 
lighter green beneath, both sides hirtellous; stipules caducous; leaf 
venation pinnate, laterals 6-8 pairs, oblique and arcuate, closing by 
marginal loops or not, reticulum coarse, irregular, manifest on both 
sides; inflorescence racemiform, cauline or interfoliar, c. 2-3 cm 
long, typically in clusters, axes puberulous; flowers dichlamydeous, 
radial, pedicellate, glabrous, perianth white or pale yellow green; 
calyx synsepalous, limb irregularly dentate, 3-4 toothed; corolla 
gamopetalous, limb 5-merous; stamens numerous, filiform; specimen 
tree lacking fruits (nearby individuals with the pods contorted, small, 
valves orange-red: no fruit coll made). L 
Waskuk name-wasemai.’ Like Jagera, this species is said to be a 
'wasman bilong pik.' Its spirit is alleged to warn pigs of approaching 
hunters. 
coll: W. Takeuchi 10045 
date: August 15, 1994 
det. WT 
