PLANTS OF SUMATRA 
Euphorbiaceae 
Macaranga triloba M.A. 
Sapotaceae 
PLANTS OF SUMATRA 
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 logging road, hill 
slope . 
Tree 10 m tall, 13 cm dia. ; outer bark grey; 
inner bark yellow; fruit glaucous green. 
Local name : Mahang . 
J. S. Burley, Tukirin et al . 
1617 21 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Annonaceae 
Desmos dasvmachala Saff. 
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 logging road, hill 
slope . 
Small tree c. 6 m tall, 5 cm dia.; fruit 
pink. 
J. S. Burley, Tukirin et al . 
1618 21 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Rubiaceae 
Urophvllum arboreum (Rein.) Korth. 
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 logging road, hill 
slope, common. 
Shrub c. 5 m tall, 6 cm dia. ; densely 
branched; fruit yellow. 
J. S. Burley, Tukirin et al . 
1619 21 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
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 logging road, hill 
slope, common. 
Small tree c. 6 m tall, 7 cm dia.; densely 
branched; fruit glaucous green. 
J. S. Burley, Tukirin et al . 
1620 21 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Rubiaceae 
Ixora 
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 logging road, hill 
slope, common. 
Shrub c. 3 m tall; 4 cm dia.; peduncle 
pinkish; corolla yellowish green; fruit 
green. 
J. S. Burley, Tukirin et al . 
1621 21 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Flacourtiaceae 
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 logging road, hill 
slope . 
Tree c. 30 m tall, 23 cm dia.; outer bark 
brownish red, tuberculate; inner bark yellow, 
2.5 mm thick; fruit greenish yellow. Local 
name ; Dul ang - dul ang . 
J. S. Burley, Tukirin et al . 
1622 21 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
