PLANTS OF SUMATRA 
Euphorbiaceae 
Galearia aristif era 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, hill sides. 
Shrub c. 1.5 m tall; 1 cm dia. ; flower bud 
glaucous green. 
J. S. Burley, Tukirin et al. 
1307A 9 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Moraceae 
Sloetia elongata (Miq.) Koord. 
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, hill sides. 
Tree c. 10 ro tall; 15 cm dia.; bark grey, 
cracked, thick, inner bark yellow, milky sap; 
wood yellow, hard; inflorescence glaucous 
green. 
J. S. Burley, Tukirin et al . 
1307B 9 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Annonaceae 
Monocarpia marginal is (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, hill sides, occasional. 
Tree c. 30 m tall; 32 cm dia.; outer bark 
grey, c. smooth; inner bark thick, yellow, 
fibrous; wood yellow, hard; fruit covered 
with brown hairs, c. 5 cm dia. 
J. S. Burley, Tukirin et al . 
1308 9 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Sapindaceae 
Xerospermum norohianum B1 . s . 1 . 
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, hill sides. 
Tree c. 20 m tall; 12 cm dia.; bark grey, 
tuberculate; inner bark reddish brown, thin; 
young fruit glaucous green; buttress c. 0.5 
m tall; young leaf pink. 
J. S. Burley, Tukirin et al . 
1309 9 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. Primary forest, hill sides. 
Tree c. 20 m tall; 35 cm dia.; buttress c. 2 
m tall; outer bark brown, tuberculate; inner 
bark reddish brown, thick; wood yellow. Local 
name : Ngorit . 
J. S. Burley, Tukirin et al . 
1310 9 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Annonaceae 
Popowia tomentosa Maing . ex Hk . f . et Th . 
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, hill sides, occasional. 
Tree c. 20 m tall; 16 cm dia.; outer bark 
brownish grey, cracked; inner bark yellow, 
thick, fibrous; young twig covered with brown 
hairs; fruit bright red to dark red. 
J. S. Burley, Tukirin et al . 
1311 9 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
