PLANTS OF SUMATKA 
Annonaceae 
Polvalthia sumatrana 
Annonaceae 
Goniothalamus 
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. Habitat: common, primary forest. 
Tree c. 9 m tall; c. 13 cm dia.; leaf 
glaucous underneath; fruit green. Local name: 
Topisan. Bark used for rope. 
J. S. Burley, Tukirin et al . 
1089 4 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Arecaceae 
Areca* sp . 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. Habitat: primary forest, common. 
Solitary, stem c. 3 m tall; c. 3 cm dia.; 
inflorescence c. 2.5 m above ground; leaf 
sheath 20 cm; rakhis 70-80 cm; fruit 
purplish. Local name: Pinang. Young seed 
edible . 
J. S. Burley, Tukirin et al . 
1090 4 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Arecaceae 
Daemonorops sp . 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. Habitat: primary forest, common. 
Solitary, stem c. 2 m tall; leaf 2.8m long; 
stalk 70 cm; bract pinkish; stigma yellowish; 
fruit brown. Edible when young. 
J. S. Burley, Tukirin et al . 
1091 4 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
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. Habitat: primary forest, scattered. 
Undershrub c. 3m tall; c. 1 cm dia.; 
cauliflorous c. 20 cm above ground; fruit 
pink. 
J. S. Burley, Tukirin et al . 
1092 4 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Arecaceae 
Finanga sp . 2 
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. Habitat: primary forest, common. 
Solitary, stem c. 4 m tall; 3.5 cm dia.; 
flower 3 . 5 cm above ground; peduncle scarlet 
red; calyx red; fruit cream, pink at top; 
leaf sheath 40 cm; rachis 2.4 m; stalk 40 cm. 
J. S. Burley, Tukirin et al . 
1093 4 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Arecaceae 
I guanura diffusa Becc . 
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. Habitat: primary forest, common. 
Solitary, stem c. 1.5 m tall; 3 cm dia.; 
leaf-sheath 20 cm; rakhis 93 cm; stalk 4 cm; 
flower-bud green; fruit cream. 
J. S. Burley, Tukirin et al . 
1094 4 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
