PLANTS OF SUMATRA 
Rubiaceae 
Urophyllum arboreum (Reinw.) Korth. 
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, slightly open 
places, rare. 
Small tree c. 7.5 m tall; 8 cm dia.; densely 
branched; fruit green. 
J. S. Burley, Tukirin et al . 
1257 7 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Zingiberaceae 
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, slightly open 
places, occasional. 
Spurious stem c. 2.5 m tall; 2 cm dia.; 
peduncle red; bract & cal}^^ tube bright red; 
petal lobes bright red; lip orange-red, 
purple stripes inside. 
J. S. Burley, Tukirin et al . 
1258 7 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Euphorbiaceae 
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. Hill sides, slightly open; local; 
scattered . 
Small tree c. 4m tall; 35 cm dia.; densely 
branched; wood yellow, soft; fruit glaucous 
green. 
J. S. Burley, Tukirin et al . 
1259 7 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Meliaceae 
Aglaia tomentosa T. & B. 
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. Hill sides, slightly open places; local; 
scattered. 
Shrub c. 5 m tall; 4 cm dia.; densely 
branched; flower yellow, fragrant. 
J. S. Burley, Tukirin et al . 
1260 7 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Euphorbiaceae 
Antidesma cuspidatum M.A. 
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. Hill sides, slightly open; local; 
scattered . 
Tree c. 15 m tall; 10 cm dia. ; wood dark red; 
flower green. 
J. S. Burley, Tukirin et al . 
1261 7 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Annonaceae 
Polvalthia macrohyncha 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. Hill sides, slightly open; local; 
scattered . 
Small tree c. 5 m tall; 4.5 cm dia.; bark 
grey, smooth; cauliflorous and rhamniflorous ; 
petal yellow. 
J. S. Burley, Tukirin et al . 
1262 7 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
