Flora of Papua New Guinea 
Lae National Herbarium 
10141 Arecaceae/Palmae 
Calyptrocalyx sp. 
East Sepik Province, near Garuka village; forest on alluvial flats at 
50 m elev.,near 4° 11’ S, 142° 44’ E. 
with 10132; 8 m pole in understory, solitary, inermous; leaves 
conferted at the top, without a crown shaft, c. 1.8 m long, pinnate, 
firm or thick-papery, plicate, sparsely arachnoid on rachis and veins; 
leaflets somewhat opposed, to approx. 68 cm x 6.5 cm, apex usually 
pointed or attenuate, base contracted and sessile on the rachis; the 
rachis trigonous in XS, underside squamose; petiole short, with a 
textural quality like coconut husk; inflorescence among the leaves, 
spiciform, often several together from a spathaceous bract, arcuate, 
to 1.6 m length, pedunculate (c. .5 m); rachis cylindrical, thick (to 8 
mm), tomentulose; peduncle ensheathed by the spathe, compressed 
at the base, spathes hairy and persisting; flowers 3-merous, diclinous, 
organized in triads of one centrally-positioned female and 2 males 
on the sides, the entire structure immersed in pits; developing fruit 
ovoid, glabrous, subtended by an appressed cupule, the summit with 
3 sessile and decurved stigmas; males trigonous, much smaller than 
the females; fruits red. 
Waskuk name=apuange.’ No use recorded. Flowers bottled in 
alcohol. 
coll: W. Takeuchi 10141 
date: August 24, 1994 
det. WT 
Flora of Papua New Guinea 
Lae National Herbarium 
10147 Euphorbiaceae 
Pimelodendron amboinicum Hassk. 
East Sepik Province; hillside next to Garuka village, regrowth on 
margin of old garden, elev. 80-120 m, near 4° 1 1’ S, 142° 44’ E. 
15 m tree, lactiferous, glabrous; branchlets moderately stout, 
lenticellate, often with the leaves produced in conferted terminal 
clusters; leaves spiral, crowded, firm to coriaceous, adaxial surface 
dark dull green x abaxially yellow green, blade elliptic, to 19.5 cm x 
8.5 cm, apex acuminate, margin distantly sinuate, base obtuse; 
petiole to 5.5 cm, terete, slightly swollen at each end; venation 
pinnate, laterals c. 6-8 lax and arcuate pairs, reticulum coarse and 
irregular, inconspicuous, main veins embossed on the bullate upper 
surface, raised beneath; fruit not seen; inflorescence male (sp. 
dioecious), racemose, fascicled in the axils, congested, 
epedunculate, rachis mostly about 5 cm long, pedicels abbreviated, 
each with a bractiet at the base, perianth monochlamydeous, 
bivalvate, stamens c. 1 1 , entire flower bright yellow. 
Flowers bottled in alcohol. 
Waskuk name=’moel.’ The rotting wood is a source of edible larvae 
and mushrooms. 
coll: W. Takeuchi 10147 
date: August 25, 1994 
det. WT 
