Arecaceae 
Pinanga 
PLANTS OF SUMATRA 
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. 
Solitary stem c. 1.8 m tall, 3 cm dia.; 
inflorescence c. 1.6 m above ground; leaf 
sheath 0.35 m long; petiole 0.58 cm long; 
rachis 170 cm long; peduncle pink; fruit 
greenish yellow. 
J. S. Burley, Tukirin et al . 
1691 25 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Cyperaceae 
Mapania cuspidata (Miq.) Uitt. 
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, common. 
Stemless c. 0.75 m tall; young leaf pinkish; 
bract green, brown at the margin; stamen pure 
white . 
J. S. Burley, Tukirin et al . 
1692 25 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Anacardiaceae 
Buchanania 
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, rare. 
Tree c. 15 m tall, 18 cm dia.; freely 
branched c. 8 m tall; bark brown, 
lenticelate; inner bark reddish brown; wood 
white, brownish in middle; fruit glaucous 
green. 
J. S. Burley, Tukirin et al . 
1693 25 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
