PLANTS OF INDONESIA 
Annonaceae Cat. # 2159 
Goniothalamus 
Det. By: 
Locality: 
Borneo; W. Kalimantan, Sintang. 
Bukit Baka National Park. Ola Saka Dua environs, c. 
600 m up Sungai Ella. Along bank and surrounding 
area. 
0°38'S 112°17’E Alt: 320 m 
Habitat: 
Mixed dipterocarp forest, associates include Shorea, 
Myrtaceae, Meliaceae, Euphorbiaceae. Red clay soil. 
Field Char: 
Small tree, 1 cm dbh. Outer bark grey, smooth. 
Fruit green, cauliflorous. 
Church, A.C. 259 20 October 1993 
With Mahyar, U.W., Ruskandi, A. and Nurdin. 
HERBARIUM BOGORIENSE 
HARVARD UNIVERSITY HERBARIA 
PLANTS OF INDONESIA 
Flacourtiaceae Cat. #2160 
Flacourtia rukam Z. & M, 
Det. By: G. Paoli 5/94 
Locality: 
Borneo; W. Kalimantan, Sintang. 
Bukit Baka National Park. Ola Saka Dua environs, c. 
600 m up Sungai Ella. Along bank and surrounding 
area. 
0°38'S 112°17’E Alt: 320 m 
Habitat: 
Mixed dipterocarp forest, associates include Shorea, 
Myrtaceae, Meliaceae, Euphorbiaceae. Red clay soil. 
Field Char: 
Tree 8 m tall, 12 cm dbh. Outer bark brown, rugose, 
large spines on the trunk, 3.5 cm long. Inner bark 
pale brown. Leaves light green, chartaceous. Fruit 
light yellowish-green; Calyx scar brown at base; 
Apex with 5 distinct separate styles. Flowers small, 
calyx green. 
Notes: 
Local name: Rukam. Fruit edible, sour. 
Church, A.C. 260 20 October 1993 
With Mahyar, U.W., Ruskandi, A. and Nurdin. 
HERBARIUM BOGORIENSE 
HARVARD UNIVERSITY HERBARIA 
