University of Illinois at Chicago 
PLANTS OF INDONESIA 
RUBIACEAE 
Det. By: 
Field Char: Climber, 10 m tall, 3 cm diameter. 
Flower pale green. Fruit (immature) green. 
Locality: W Kalimantan Province, G. Bentuang 
area; 5-10 km N of Masa village, 150 km NE of 
Pontianak. 
Habitat: Flat area near upper Semawang river. 
Mixed Dipterocarp forest on sandstones 
and yellow clay soils. 
200 m, 0°52’N X 110°26’E 
J.S. Burley, Tukirin et al. 2638, June 16, 1989 
This is a voucher specimen for 
anticancer and anti-AIDS screening 
NCI Sample Number(s): Q6608533-M, Q6608534-N. 
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. 
