Flora of Papua New Guinea 
Conservation International New Ireland RAP Survey 
10025 Cyperaceae 
Scleria scrobiculata Nees & Mey. 
ex Nees in Wight ssp. scrobiculata 
New Ireland; near the junction of Malmai Creek and the Weitin River; 
selectively logged lowland rainforest; elev. 150 m; centered around 152 
deg. 57.825’ E x 4 deg. 33.271’ S (coll, site 1). 
perennial herb in robust clumps to 2 m height, sun-exposed margin of 
abandoned logging track; stems conspicuously 3-angulate, 
scabridulous on the angles; leaves in pseudowhorls of usually 3, linear, 
typical 34 cm x 1 cm, concolorously shiny dark green on both surfaces, 
glabrous or glabrate, apex attenuate to a narrow tail, margins 
setiferous, base sessile on sheaths closely appressed to the stem; the 
sheath green, alate, extended apically into a rounded contraligule; 
inflorescence paniculiform, terminal, to nearly 50 cm long; rachis 
triangular in section, glabrous, rachides shortly hairy; nut-bearing 
spikelets with at least 3 glumes; the glumes glabrous, sparsely scabrid 
on the keel; disk not cyathiform, lobes separated, margins subentire; 
stigma 3, furnished with short patent hairs, style base persisting as a 
small umbo; nutlet rugose, white, ovoid-ellipsoid, subterete and not 
noticeably trigonous, hairy when immature becoming glabrous with 
age. 
coll: W. Takeuchi & J. Wiakabu 10025 
date: January 1994 
det.: WT 
Flora of Papua New Guinea 
Conservation International New Ireland RAP Survey 
10026 Euphorbiaceae 
Mallotus mollissimus (Geisel.) Airy Shaw 
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; serai tree on streambed 
margins, ca 5 m tall, virtually all parts with a dense stellate indument; 
branchlets subterete, velvety, not nodose, pale brown; leaves alternate, 
papyraceous, adaxially dark dull green, lacking granules, hairs 
restricted to main veins, abaxially pale brown, densely pubescent; 
blades ovate, typical 15.5 x 12.25 cm, gradually acuminate, margin 
entire, base truncate to subcordate with 2 depressed glands on the 
upper side; petiole to ca 12 cm, terete, not swollen at either end; 
laterals 6-8 equispaced pairs above a basal venation, not closing, 
reticulated, crossing nerves scalariform; inflorescence lateral from the 
nodes, racemose, 15-20 cm, entirely pubescent, peduncled; flowers 
unisexual (sp. dioecious), somewhat congested; females: perigone 
caliciform, 3-4 lobed; styles 3 or 4, plumose-fimbriate, patent and 
decurved; capsules densely echinate, the processes pale green with a 
thick stellate indument. 
flowers bottled. 
coll: W. Takeuchi & J. Wiakabu 10026 
date: January 1994 
det.: WT 
