PLANTS OF SUMATRA 
PLANTS OF SUMATRA 
Dilleniaceae 
Dillenia excelsa (Jack.) Gilg. 
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. 
Tree c. 30 ra tall, 60 cm dia.; freely 
branched at c . 18 m tall; outer bark brown, 
cracked; flower bud dark green; stigma pale 
purple . 
J. S. Burley, Tukirin et al . 
1694 25 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Zingiberaceae 
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 in 
moist places. 
Stemless c. 1.20 m tall; terrestrial 
inflorescence; bract pinkish white, 
transparant; calyx pinkish white; upper lip 
white, yellow in centre, with two purple 
stripes . 
J. S. Burley, Tukirin et al . 
1695 25 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
Cluciaceae 
Garcinla sp . 1 
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. 30 m tall, 26 cm dia.; freely 
branched at c . 15 m tall; outer bark brown, 
rugose; inner bark yellow; wood white ; yellow 
sap; young leaf pink (edible); calyx pale 
green, bright red at margins; petal bright 
green; stigma pink; fruit pale green 
(edible). Local name: Asam gelugur. 
J. S. Burley, Tukirin et al . 
1696 25 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Rubiaceae 
Urophyllum macrophyllum Korth. 
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. 
Small tree c. 5 m tall, 5 cm dia.; densely 
branched; fruit green. 
J. S. Burley, Tukirin et al . 
1697 25 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
