Flora of Papua New Guinea 
Conservation International New Ireland RAP Survey 
10009 Orchidaceae 
Malaxis 
New Ireland, near the junction of the Niagara and Weitin Rivers (site 
2), mature lowland rainforest in and around transect 1, elev. 240 m, 
near 4° 30.210’ S, 152° 56’ 242” E. 
with coll sequence starting Archidendron 9904; clumped terrestrial 
herb in Nephrolepis thicket, short-stemmed; leaves glabrous, plicate, 
herbaceous, adaxially dark dull green, abaxially light green; blades 
elliptic, ca 14 x 4.5 cm, apex acuminate, base acute; petiole ca 4 cm, 
duplicative, clasping the stem; venation 4-5 plinerval, connivent at both 
ends; inflorescence terminal, erect, 15 cm, long-peduncled, bracts 
acuminate, perianth yellow. 
flowers bottled. 
coll: W. Takeuchi & J. Wiakabu 10009 
date: January 1994 
det.: WT 
Flora of Papua New Guinea 
Conservation International New Ireland RAP Survey 
10010 Piperaceae 
Piper celtidiforme Opiz 
New Ireland, near the junction of the Niagara and Weitin Rivers (site 2), 
mature lowland rainforest in and around transect 1, elev. 240 m, near 
4° 30.210’ S, 152° 56’ 242" E. 
with coll sequence starting Archidendron 9904; glabrous climber; 
branchlets terete, slender, nodose; leaves alternate, chartaceous, 
adaxially dark shiny green, subbullate, abaxially glaucescent; blades 
elliptic-lanceolate, typical 19.5 x 8.5 cm, apex gradually acuminate, 
base rounded and unequal; petiole 1 cm, flattened on upper side; 
venation with 2-3 lateral pairs arising above the base, obliquely 
diverging, arcuate, raised, reticulum coarsely areolate, major crossing 
nerves scalariform; inflorescence leaf-opposed, solitary, peduncle 1 
cm, spike 4 cm x 1 cm (wet measure), bracts rounded. 
coll: W. Takeuchi & J. Wiakabu 10010 
date: January 1994 
det.: WT 
