PLANTS OF SUMATRA 
PLANTS OF SUMATRA 
Clu ciac eae 
Caloph^lum venulosum Miq. venulos 
var . 
Tigapuluh Mts . , Riau Provinp«r^ 15 km SW of 
Talanglakat on Rengat- Jamjaa Rd . , vicinity of 
Sungai Sesirih. 0°48iS'; 102°31'E. Alt.: c. 
200 m. Aluvial forg^ near Sesirih Camp. 
Tree c. 25 m tail, 32 cm dia. ; bark grey, 
tuberculate , mm thick with yellow sap; 
under bark^^ange; fruit green, 30 mm dia. 
iurley et al . 
26 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Sapotaceae 
Payena acuminata (B1 . ) Pierre. 
Tigapuluh Mts . , Riau Province , 15 km SW of 
Talanglakat on Rengat-Jambi Rd. , vicinity of 
Sungai Sesirih. 0°48'S, 102°31'E. Alt.: c. 
200 m. Aluvial forest near Sesirih Camp. 
Tree c. 25 m tall, 30 cm dia.; bark reddish- 
brown, rugose tuberculate, 10 mm thick; white 
sap; under bark orange; leaves with coppery 
sheen on underside; fruit green with rusty- 
brown tomentum, 15 mm dia. ; flower reddish 
brown. 
J. S. Burley et al . 
1726 26 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
Euphorbiaceae 
Aporosa arborea M.A. 
Tigapuluh Mts., Riau Province, 15 km SW of 
Talanglakat on Rengat-Jambi Rd. , vicinity of 
Sungai Sesirih. 0°48'S, 102“31'E. Alt.: c. 
200 m. Aluvial forest near Sesirih Camp. 
Tree c. 30 m tall, 32 cm dia.; bark reddish- 
brown, 4 mm thick, fissured and crumbly; 
inner bark reddish brown with watery sap; 
fruit orange -yellow, 1.5 mm dia.; endocarp 
pulpy, orange. 
J. S. Burley et al . 
1727 26 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Euphorbiaceae 
Aporosa antennif era (Airy Shaw) A.S. 
Tigapuluh Mts., Riau Province, 15 km SW of 
Talanglakat on Rengat-Jambi Rd. , vicinity of 
Sungai Sesirih. 0°48'S, 102°31'E. Alt.: c. 
200 m. Aluvial forest near Sesirih Camp. 
Tree c. 15 m tall, 15 cm dia.; bark red- 
brown, minutely flaky; fruit glabrous, 
orange; seed coat bright orange. 
J. S. Burley et al . 
1728 26 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Connaraceae 
Cnestis plantanthera Griff. 
Tigapuluh Mts., Riau Province, 15 km SW of 
Talanglakat on Rengat-Jambi Rd. , vicinity of 
Sungai Sesirih. 0°48'S, 102°31'E. Alt.: c. 
200 m. Aluvial forest near Sesirih Camp. 
Climber to 15 ra, 4 cm dia.; fruit yellow and 
red . 
J. S. Burley et al . 
1729 26 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
