PLANTS OF SUMATEIA 
Euphorbiaceae 
Baccaurea pubera M.A. 
PLANTS OF SUMATRA 
Moraceae 
Parartocarpus venenosa 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. 
Tree c. 12 m tall, 15 cm dia.; freely 
branched at c . 8m tall; outer bark greyish 
brown, c. smooth; inner bark dark red, 2 mm 
thick; rhamniflorous ; young fruit green with 
brown indumentum, 4 cm dia.; ripe fruit 
edible. Local name: Sibongang. 
J. S. Burley, Tukirin et al . 
1655 24 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Burseraceae 
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. 
Tree c. 25 m tall, 17 cm dia.; freely 
branched at c . 20 m tall; outer bark grey, c. 
smooth; inner bark yellowish, 2 mm thick; 
berry red. Local name: Buah jolay/Maha jolai . 
J. S. Burley, Tukirin et al . 
1656 24 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
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. 
Tree c. 38 m tall, 46.7 cm dia.; freely 
branched at c . 20 m tall; outer bark brownish 
grey, leticellate, inner bark yellow, 10 mm 
thick; white sap; fruit green when young. 
J. S. Burley, Tukirin et al . 
1657 24 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Thymelaceae 
Aquilaria microcarpa Baill . 
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. 
Tree c. 36 m tall, 22 cm dia.; freely 
branched at c . 25 m tall; outer bark grey, 
scaly, shallow ridge; inner bark yellowish, 
5 ram thick; fruit green, abundant. Local 
name : Garu . 
J. S. Burley, Tukirin et al . 
1658 24 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
