PLANTS OF INDONESIA 
Annonaceae Cat. # 2053 
Polyalthia 
Det. By: 
Locality: 
Borneo; W. Kalimantan, Sintang 
Bukit Baka National Park. Ridge above Sungai Ella. 
0°38'S 112°17'E Alt: 410 m 
Habitat: 
Mixed dipterocarp forest, associates include 
Myrtaceae, Meliaceae, Shorea, Burseraceae. Red 
clay soil. 
Field Char: 
Small tree 4 m tall, 1 cm dbh. Bark brown. 
Cauliflorous; flowers 3.5 cm diam. Calyx greyish- 
green. Petals pale yellow to pink to purple, 
pubescent. 
Notes: 
Local name: Sampupuar laki-laki. Photo. 
Church, A.C. 153 16 October 1993 
With Mahyar, U.W., Ruskandi, A. and Nurdin. 
HERBARIUM BOGORIENSE 
HARVARD UNIVERSITY HERBARIA 
PLANTS OF INDONESIA 
Proteaceae Cat. # 2054 
Helicia petiolaris 
Det. By: G. PAoli 5/94 
Locality: 
Borneo; W. Kalimantan, Sintang 
Bukit Baka National Park. Ridge above Sungai Ella. 
0°38’S 112°17’E Alt: 410 m 
Habitat: 
Mixed dipterocarp forest, associates include 
Myrtaceae, Meliaceae, Shorea, Burseraceae. Red 
clay soil. 
Field Char: 
Tree 16 m tall, 13 cm dbh. Outer bark grey, flaking. 
Inner bark pale brown. Wood sweet aroma. Leaves 
coriaceous, deeply ribbed. Fruit 3 cm wide, green, 
shiny. Mesocarp paper thin, endocarp fleshy, 
purplish-red sweet/sour aroma. 
Notes: 
Local name: Riga 
Church, A.C. 154 16 October 1993 
With Mahyar, U.W., Ruskandi, A. and Nurdin. 
HERBARIUM BOGORIENSE 
HARVARD UNIVERSITY HERBARIA 
