University of Illinois at Chicago 
PLANTS OF INDONESIA 
ANNONACEAE 
Polyalthia clavigera King 
Det. By: J.S. Burley, November 5, 1989 
Field Char: Tree 20 m high, 22 cm dbh. Bark 
smooth, yellowish-brown; inner bark yellow. 
Fruit cauline, orange. 
Notes: Trunk bark sample. 
Locality: W Kalimantan Province, G. Bentuang 
area; 5-10 km N of Masa village, 150 km NE of 
Pontianak. 
Habitat: Flat area E of Semawang River. Mixed 
Dipterocarp forest on brown alluvial 
soils. 
100-150 m, 0°52’N X 110°26’E 
J.S. Burley, Tukirin et al. 2665, June 17, 1989 
This is a voucher specimen for 
anticancer and anti- AIDS screening 
NCI Sample Number(s): Q66 08545-Y, Q6608546-Z 
Q6608547-A. 
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. 
