PLANTS OF SUMATRA 
PLANTS OF SUMATRA 
Annonaceae 
Monocarpia marginalia (Scheff.) Sind. 
Tigapulu Mts . , Riau Province , 5 km W of 
Talanglakat on Rengat-Jambi Road, Bukit 
Karampal area. 102°32'E, 0°46'S. Alt.: c. 100 
m. Primary forest on hill slope. 
Tree c. 20 m tall, 18 cm dia.; freely 
branched at c . 15 m tall; bark brownish 
black, grey c. smooth, inner bark fibrous, 
yellow, thick; wood yellow, hard; fruit 
velvet-blackish brown, 6.5 cm dia. 
J. S. Burley, Tukirin et al . 
1524 16 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Sterculiaceae 
Scaphium linearicarpum (Masters.) Pierre. 
Tigapulu Mts., Riau Province, 5 km W of 
Talanglakat on Rengat-Jambi Road, Bukit 
Karampal area. 102°32'E, 0°46'S. Alt.: c. 100 
m. Primary forest on hill slope. 
Deciduous tree c. 30 m tall, 37 cm dia.; 
freely branched at c . 20m tall ; outer bark 
cracked; inner bark brownish red, thick; 
calyx green; petal yellow, purple in the 
centre, fragrant, visited by bees. 
Tigapulu Mts., Riau Province, 5 km W of 
Talanglakat on Rengat-Jambi Road, Bukit 
Karampal area. 102°32'E, 0°46'S. Alt.: c. 100 
m. Primary forest on hill slope. 
Tree c . 40 m tall, 125 cm dia.; buttress c. 
4 m tall ; freely branched at c . 25 m tall ; 
bark pale brown, cracked; inner bark brownish 
yellow; fruit green; flesh yellow, edible to 
animals . 
J. S. Burley, Tukirin et al . 
1526 16 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Sapotaceae 
Palaquin hexandrum (Griff.) Baill . 
Tigapulu Mts . , Riau Province , 5 km W of 
Talanglakat on Rengat-Jambi Road, Bukit 
Karampal area. 102°32'E, 0°46'S. Alt.: c. 100 
m. Primary forest near hill slope. 
Tree c. 35 m tall, 39 cm dia.; freely 
branched c. 20 m tall; buttress c. 1 m tall; 
outer bark pale brown, rugose; inner bark 
pale brown; white latex; young leaf with 
brown indumentum; young fruit green, rare. 
J. S. Burley, Tukirin et al . 
1527 16 November, 1988 
J. S. Burley, Tukirin et al . 
1525 16 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
