University of Illinois at Chicago 
PLANTS OF INDONESIA 
AN AC ARD I ACE AE 
Melanochylci angustifolia Hook.f. 
Det. By: M.J. van Balgooy, September 3, 1990 
Field Char: Tree 20 m high, 25 cm diameter. Bark 
brown, rugose; inner bark reddish with watery 
orange sap. Trunk buttressed to 80 cm. Flowers 
greenish-brown. 
Notes: ? Toxic or irritant sap. Trunk bark 
sample. 
Locality: W Kalimantan Province, G. Bentuang 
area; 5-10 km N of Masa village, 150 km NE of 
Pontianak. 
Habitat: Ridge system W of Semawang River. 
Mixed Dipterocarp forest on sandstone 
and yellow clay soils. 
200 m, 0°52’N X 1 10°26’E 
J.S. Burley, Tukirin et al. 2570, June 13, 1989 
This is a voucher specimen for 
anticancer and anti-AIDS screening 
NCI Sample Number(s): Q6608487-M, Q6608488-N 
Q6608489-0. 
Collected under the sponsorship of: U.S. National Cancer 
Institute, University of Illinois at Chicago, Arnold 
Arboretum (Harvard University), Field Museum of 
Natural History and Herbarium Bogoriense. 
