PLANTS OF SUMATRA 
Verbenaceae 
Vitex gamosepala Griff, kuns fieri var . King. 
& Gamble 
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. 
Shrub c. 2.5 m tall, 3 cm dia. ; densely 
branched; young leaf pink; calyx green; 
corolla bright yellow. 
J. S. Burley, Tukirin et al . 
1586 19 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Annonaceae 
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. 
Tree c. 15 m tall, 17 cm dia. ; freely 
branched at c . 10 m tall; outer bark greenish 
brown, rugose; inner bark pale brown, 4 mm 
thick; wood yellow; fruit 10.5 cm dia., 
greyish, mesocarp cream, endocarp white; 
rhamniflorous . 
J. S. Burley, Tukirin et al . 
1587 19 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Euphorbiaceae 
Antidesma tomentosum B1 . 
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. 
Shrub c. 1.5 m tall, 1 cm dia. ; sparsely 
branched; fruit dark red. 
J. S. Burley, Tukirin et al . 
1588 19 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Rubiaceae 
Mussaenda frondosa L. 
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. Secondary forest, along logging road, 
common . 
Woody liana c. 6 m tall, 2 cm dia.; densely 
branched; cal 3 rx 'bract' white; corolla tube 
greenish white, lobes bright red turning 
orange, yellow in centre. 
J. S. Burley, Tukirin et al . 
1589 20 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
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. Secondary forest, along logging road, 
rare . 
Shrub c . 3.5 m tall , 2 cm dia. ; densely 
branched; fruit green. 
J. S. Burley, Tukirin et al . 
1590 20 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Euphorbiaceae 
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. Secondary forest, along logging road, 
rare . 
Tree c. 17.5 m tall, 23 cm dia.; freely 
branched c. 10 m tall; white latex; outer 
bark brown, cracked; inner bark white, 2 mm 
thick; flower bud yellow. 
J. S. Burley, Tukirin et al . 
1591 20 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
