Flora of Papua New Guinea 
Lae National Herbarium 
1 0036 Elaeocarpaceae 
Elaeocarpus dolichostylus Schltr. 
ssp. dolichostylus 
East Sepik Province, territory of the Amaki clan, near Langu village 
and to the west, habitat: lowland alluvial forest on flat swampy 
substrate, intermittently flooded, locally Metroxylon-dominant, tall- 
statured canopy, clear understory, near 4° 11’ S, 142° 44’ E, elev. 
40-80 m. 
w. 10030 et seq.; common canopy tree on alluvial flats, population 
flowering throughout area; inner bark yellow; branchlets. moderately 
robust, subterete, glabrate or glabrous; leaves alternate, spiral, 
exstipulate, subcoriaceous to papery, glabrous, adaxially dark green 
x abaxially medium green, lamina oblanceolate, typical blade 14 
cm x 6 cm (nearly always >8 cm), apex obtuse, margin crenulate, 
base cuneate-attenuate; leaf venation penninerved, apparently with 
domatia in the primary nerve axils, laterals numerous, 14-20+ pairs, 
arcuate, ramifying near the margins, major veins weakly raised 
above, more prominent below, reticulum feeble and somewhat 
irregular; petiole to 1 cm, not thickened at either end, subalate, 
adaxially flattened; fruits not seen; inflorescence polyflorous, 
racemose, axillary, interfoliar and infrafoliar, spreading, c. 10 cm 
length, pedunculate, all axes (pedicels included) puberulent, 
ebracteate; flowers equispaced, odor oppressive, pedicels^ terete, 1 0 
mm; perianth dichlamydeous, 5-merous; calyx aposepalous, the 
segments white, linear, approx. 10 mm long, glabrous; corolla light 
green, free, petals 14 mm x 3.5 mm, lanceolate, dorsally glabrous, 
apex fimbriate, margin ciliate (on basal half-interval); disk fleshy, 
pubescent, convoluted, bearing numerous stamens toward the 
center; the stamens straight, erect, anthers much longer than the 
filaments, awned, the tail single (not composite); ovary superior, 
shortly elevate, glabrous except at the commissure with the style; 
styles simple, linear, exserted, pale green, puberulent. 
Waskuk name=’warem.’ Described as having no specific use. 
coll: W. Takeuchi 10036 
date: August 14, 1994 
det. WT 
Flora of Papua New Guinea 
Lae National Herbarium 
10037 Hernandiaceae 
Hernandia ovigera L. 
East Sepik Province, territory of the Amaki clan, near Langu village 
and to the west, habitat: lowland alluvial forest on flat swampy 
substrate, intermittently flooded, locally Metroxylon-dominant, tall- 
statured canopy, clear understory, near 4° 11’ S, 142° 44 E, elev. 
40-80 m. 
w. 10030 et seq.; 20 m+ subcanopy tree, lacking basal swell; outer 
bark light brown, weakly fissured, inner bark white; wood soft, whitish 
throughout; branchlets somewhat robust, slightly angulate, smooth 
and minutely puberulent; leaves alternate, spiral, exstipulate, 
coriaceous, adaxially dark dull green, glabrous x abaxially light 
green, sparsely puberulent to glabrescent; petioles long (to c. 25 
cm), swollen at both ends, terete, puberulent; lamina cordate, 
typical larger blade 31 cm (including basal sinus) x 25.5 cm, apex 
acuminate to cuspidate, margin entire; leaf venation palm?>te at the 
petiole, yellow, the central vein penninerved with 3-5 pairs of 
arcuate laterals; main veins weakly raised on adaxial surface, 
abaxially more prominent, reticulum reminescent of Sterculia; 
flowers not seen; infructescence among the leaves, ramifying, 
pedunculate, axial length to nearly 30 cm, axes puberulent, 
ebracteate; cupule fleshy, white, stipitate, inflated, 6-7 cm x 4.75 
cm, orifice irregularly toothed; nut single, globose, stalked, not 
umbonate, surface black. 
Waskuk name- mokbu.’ Villagers report the species has no specific 
application. 
coll: W. Takeuchi 10037 
date: August 14, 1994 
det. WT 
