Flora of Papua New Guinea 
Lae National Herbarium 
10239 Caesalpiniaceae 
Maniltoa sp. ?nov. 
East Sepik Province, Waskuk Hills; spur ridge above the foot track 
between Garuka and Ambunti; in Glei clan territory; hill forest at 
altimeter elev. 300’ (c. 90 m); near 4 deg. 11’ S lat. x 142 deg. 44’ E 
long. 
w. collection sequence 10238-10244; 5-10 m understory treelet; outer 
bark greyish-brown, somewhat smooth, surface scrape reddish-brown; 
sapwood stramineous; leaves alternate, 1 -jugate, glabrous, firm- 
papery, adaxial surface dark dull green x abaxially medium green; 
leaflets mostly elliptic, base oblique but not auriculate, costae not 
markedly displaced; inflorescence numerous along the twigs, highly 
reduced, few-flowered; ovary glabrous and apparently stipitate. 
Waskuk name = ‘poi kupa won.’ The sturdy wood is used for tool 
handles and general construction. 
NCI screening code: OFCZ-1835-G, -1836-H, -1837-1, -1838-J, -1839- 
K; corresponding to TWD, LF, RT, TBK, BR; 4 herbarium duplicates 
distributed through NCI. 
coll. W. Takeuchi and J. Regalado 10239 
(= Regalado no. 1457) 
date: July 3, 1995 
det.: WT 
Flora of Papua New Guinea 
Lae National Herbarium 
1 0240 Apocynaceae 
Ichnocarpus rhombifolius (Markgraf) D.J. Middleton 
East Sepik Province, Waskuk Hills; spur ridge above the foot track 
between Garuka and Ambunti; in Glei clan territory; hill forest at 
altimeter elev. 300’ (c. 90 m); near 4 deg. ITS lat. x 142 deg. 44’ E 
long. 
w. collection sequence 10238-10244; woody climber; stems long, 
pendant, aerial, producing a copious watery latex when cut; leaves 
opposite, glabrous, papery, adaxial surface dark green x abaxially 
medium green; fructescence terminal or axillary, a geminate follicle with 
divaricate arms, orange-brown pubescent, woody. 
Waskuk name = 'po-il pok.’ The sap is mixed into a soup with mashed 
bananas. The resulting mixture is said to increase physical strength 
and to have general health-promoting qualities. In the hausboi, the sap 
is used as a general additive to everyday foods. However this 
application is considered a male secret and is tambu to pass on to 
women or children. 
NCI screening code: OFCZ-1840-L, -1841-M, -1842-N; corresponding 
to stem, LF+TW, RT+RTBK+RTWD; 6 herbarium duplicates distributed 
through NCI. 
coll. W. Takeuchi and J. Regalado 10240 
(= Regalado no. 1458) 
date: July 3, 1995 
det.: WT 
