University of Illinois at Chicago 
PLANTS OF JAVA 
ARECACEAE 
Arenga obtusifolia Bl. ex Mart. 
Det. By: A. McDonald, January 5, 1993 
Field Char: Solitary palm, 15 m tall; rachis 4 m 
long, young leaves glaucous below; 
inflorescence 13 m from base. 
Notes: Young shoots eaten as vegetable. 
Locality: Ca. 5 km SE of Taman Jaya, "Kehutan 
Cijaga Besar", Cijaga Besar River watershed. 
Habitat: Primary forest; associated with 
Eugenia, Arenga, Pometia, Polyosma, 
Blumeodendron, etc., slopes to river. 
100 m,006°12’S X 105°30’E 
A. McDonald & Afriastini 3428, May 28, 1992 
This is a voucher specimen for 
anticancer and anti-AIDS screening 
NCI Sample Number(s): U44Z4576-K, U44Z4577-L. 
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, LIPI. 
Please notify Field Museum Herbarium of any new 
determination of this collection, specifying that 
it is a University of Illinois at Chicago voucher. 
