Flora of Papua New Guinea 
Lae National Herbarium 
10305 Annonaceae 
Cyathocalyx osmanthus Diels 
East Sepik Province, Waskuk Hills; along the foot track between 
Garuka and Ambunti; in Glei clan territory; swamp forest at elev. 100’ 
(c. 30 m); near 4 deg. 11’ S lat. x 142 deg. 44’ E long. 
with 10301-10304; canopy tree with basal swell; outer bark light brown, 
pustulate; wood stramineous, soft; leaves distichous, glabrous, 
subcoriaceous; inflorescence fascicled, usually infrafoliar or 
sometimes extra-axillary among the leaves; flowers fragrant, 
puberulent; sepals 3, triangular, much smaller than the petals; corolla 
whorled (3+3), petals subequal, linear-oblong, proximally concave, dull 
yellow at anthesis; fruits red turning purple-black when mature. 
Waskuk name = ‘mangar bo,’ (pronounced with a tilde on the r). Bark 
is peeled in large sections as a wall and flooring material. The light but 
strong wood is useful in general construction. Many birds are said to 
rely on the fruits as a food source. 
NCI screening code: OFCZ-2039-A, -2040-C, -2041 -F, -2042-G, - 
2043-H, -2044-1; corresponding to RT+RTBK, BR, TBK, TWD, 
LF+TW+RTWD+BR, LF+TW+BR; 9 herbarium duplicates distributed 
through NCI. 
coll. W. Takeuchi and J. Regalado 10305 
(= Regalado no. 1509) 
date: July 7, 1995 
det.: WT 
Flora of Papua New Guinea 
Lae National Herbarium 
10306 Aristolochiaceae 
Aristolochia tagala Cham. 
East Sepik Province, Waskuk Hills; spur ridge above the foot track 
between Garuka and Ambunti; in Glei clan territory; hill forest at 
altimeter elev. 200’ (60 m); near 4 deg. 1 T S lat. x 142 deg. 44’ E long. 
scandent climber in Macaranga-dom inant regrowth; leaves alternate, 
papyraceous, rugose, glabrous, adaxial surface dark dull green x 
abaxially light green; infructescence axillary and racemiform; capsules 
suboblongoid, green, 6-ridged, truncate at the summit, base attenuate. 
Waskuk name = ‘apsenbaruka.’ 
NCI screening code: OFCZ-2053-R; corresponding to stem+RT+LF; 6 
herbarium duplicates distributed through NCI. 
coll. W. Takeuchi and J. Regalado 10306 
(= Regalado no. 1512) 
date: July 9, 1995 
det.: WT 
