PLANTS OF SUMATRA 
Araceae 
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. On stones, shaded places, common. 
Stemless c. 0.25 m tall; leaf dark green, 
purplish green underneath; spatha bright 
yellow. 
J. S. Burley et al . 
1719 25 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Myrsinaceae 
Labisia pumila (Bl.) F. Vill . 
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. River banks, slightly open places, 
common. 
Herb c. 0.30 cm tall; leaf brownish green. 
J. S. Burley et al . 
1720 25 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Meliaceae 
Aglaia 
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. River banks, slightly open places. 
Undershrub c. 1 m tall, 0.3 cm dia.; fruit 
yellow. 
J. S. Burley et al . 
1721 25 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Euphorbiaceae 
Aporosa prainiana King. 
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. River banks, slightly open places. 
Tree c. 12 m tall, 20 cm dia.; outer bark 
grey, papery; fruit orange, 12 mm dia. 
J. S. Burley et al . 
1722 25 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Aspleniaceae 
Asplenium tenerum Forst. 
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. River banks, slightly open places. 
Epiphyte fern c. 0.60 cm tall; leaf dark 
green; sori brown. 
J. S. Burley et al . 
1723 25 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Tiliaceae 
Microcos 
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. 10 m tall, 25 cm dia.; bark c. 
smooth, dark brown; under bark orange; fruit 
red . 
J. S. Burley et al . 
1724 26 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
