University of Illinois at Chicago 
PLANTS OF JAVA 
EUPHORBIACEAE 
Croton cf. glcibrescens Miq. 
Det. By: A. McDonald, January 5, 1993 
Field Char: Common understory shrub, 2-3 m tall, 
branch midway up, stems bifurcating, fruits 
included near axil of leaves, 
copper-furfuraceous at inception, yellow-green 
at maturity. 
Locality: Ujung Kulon Reserve, summit of Genung 
Cibinua, 5 km E of Taman Jaya. 
Habitat: Primaryf?) forest, Kibara subdominant. 
Associates include Goniothalamus, 
Knema, Garcinia, Ardisia, Freycinetia, 
etc. 
450 m,006°12’S X 105°30’E 
A. McDonald & Afriastini 3388, May 19, 1992 
This is a voucher specimen for 
anticancer and anti-AIDS screening 
NCI Sample Number(s): U44Z3738-X, U44Z3739-Y 
U44Z3740-Z. 
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. 
