Flora of Papua New Guinea 
Lae National Herbarium 
1 0040 Barringtoniaceae 
Barringtonia acutangula (L.) Gaertn.; 
between ssp. acutangula and spp. spicata Payens 
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. 
near 10030; treelet on river bank, elev. <40 m, occasional, 
population fruiting; outer bark greyish-brown, flaky, sapwood medium 
brown, exudate lacking; twigs terete, glabrous; stipules scalelike, 
caducous from the terminal bud; leaves spirally placed, apically 
conferted, papery, glabrous, adaxial surface dark green, somewhat 
buliate x abaxially medium green; lamina oblanceolate-obovate, 
average larger blade c. 19 cm x 9 cm, apex acuminate, margins 
serrulate, base attenuate; petiole to 1 cm, flattened above, slightly 
swollen; leaf venation penninerved, laterals in c. 10 pairs, arcuate, 
not closed, reticulum irregular and somewhat lax, costa embossed 
above, prominulous beneath; flowers not seen; infructescence 
terminal, pendulous, c. 60 cm long, pedunculate, spiciform, 
ebracteate, rachis terete and flageiliform; young fruits suboblong, 4- 
angulate, the apex with the remnant of a 4-membered calyx and a 
simple style base inserted on a recessed disk; exocarp green and 
lepidote; seed solitary. 
coll: W. Takeuchi 10040 
date: August 14, 1994 
det. WT 
