Annonaceae 
Popowia pisocarpa ( B1 . ) Endl . 
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. 
Tree c. 12 cm tall; 10 cm dia.; freely 
branched at c . 8 m tall; bark brownish black; 
young leaf pink; young fruit green. 
J. S. Burley, Tukirin et al . 
1497 15 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Sapotaceae 
Madhuca ? 
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. 17 m tall; 16 cm dia.; freely 
branched at c . 10 m tall; outer bark brown; 
inner bark brownish red, 4 mm thick; white 
sap, sticky; leaf and twig with brown hairs; 
fruit glaucous green. 
J. S. Burley, Tukirin et al . 
1498 15 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
Flacourtiaceae 
Hydnocarpus polypetala (V.sl.) Raensch. 
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. Old secondary forest, disturbed area, 
rare . 
Tree c. 10 m tall; 12 cm dia.; freely 
branched at c . 5m tall; outer bark greyish 
brown; inner bark yellow, c . 1 mm thick; wood 
yellow, hard; calyx green; petal yellowish 
green; outer pale green; stigma green. 
J. S. Burley, Tukirin et al . 
1499 15 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Dipterocarpaceae 
Shorea palembanica Miq. 
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. 35 m tall; 60 cm dia.; freely 
branched at c . 20 m tall; outer bark brown, 
scaly and cracked; inner bark reddish brown, 
8 mm thick. 
J. S. Burley, Tukirin et al . 
1500 15 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Sterculiaceae 
Sterculi coccinea Jack, coccinea var. 
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. Sesirih River banks, rare. 
Shrub c. 3 m tall, 2 cm dia.; flower pale 
green. 
J. S. Burley, Tukirin et al . 
1501 15 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
