PLANTS OF SUMATRA 
Arecaceae 
Arenga brevipes Becc . 
Tigapuluh Mts . , Riau Province, 15 km SW of 
Talanglakat on Rengat-Jambi Rd. , vicinity of 
Sungai Sesirih. 0°48'S, 102°31'E. Alt.: c. 
200 m. Primary forest on hill slope, mostly 
in gully near river, common. 
Solitary stem, c. 1.25 m tall, 15 cm dia.; 
petiole 2.5 ra long; rachis 7 m long; leaves 
silvery underneath; terminal inflorescence, 
0.7 ra long, peduncle brownish; flower dark 
purple. Local name; Hambo-1 ingam. 
J. S. Burley, Tukirin et al . 
1688 24 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Euphorbiaceae 
Aporosa sphaeridophora Merr. 
Tigapuluh Mts., Riau Province, 15 km SW of 
Talanglakat on Rengat-Jambi Rd. , vicinity of 
Sungai Sesirih. 0°48'S, 102°31'E. Alt.: c. 
200 m. In gully near river banks. 
Tree c. 22.5 ra tall, 24.5 cm dia.; freely 
branched at c . 15 m tall; outer bark brown, 
cracked; inner bark brown; wood yellow, hard; 
fruit yellowish green. 
J. S. Burley, Tukirin et al . 
1689 25 November, 1988 
PLANTS OF SUMATRA 
Euphorbiaceae 
Baccaurea dulcia M.A. 
Tigapuluh Mts . , Riau Province , 15 km SW of 
Talanglakat on Rengat-Jambi Rd. , vicinity of 
Sungai Sesirih. 0°48'S, 102°31'E. Alt.: c. 
200 m. In gully near river banks. 
Shrub c. 4 m tall, 4 cm dia. ; freely branched 
at c. 2 m tall; cauliflorous and 
rhamniflorous ; fruit pink. 
J. S. Burley, Tukirin et al . 
1690 25 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
