Marantaceae 
Donax cannaeformis (Forst.k.) Schum. 
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. In gully, moist and shaded places, 
occasional . 
Shrub c. 3 m tall; 2 cm dia. ; stem dark 
green; calyx white; corolla white, inside 
yellowish; anther yellow. 
J. S. Burley, Tukirin et al . 
1332 10 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Annonaceae 
Polvalthia kingii Bak . f . 
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 
On slope, slightly open places, 
occasional . 
Tree c. 15 m tall; 11 cm dia. ; densely 
branched; bark fibrous; rhamniflorous ; fruit 
bright red, 1.5 cm dia. 
J. S. Burley, Tukirin et al . 
1333 10 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Annonaceae 
Polvalthia rumuhii (B1 . ) Merr. 
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 
*1^ slope, slightly open places, 
occasional . 
Tree c. 20 m tall; 18 cm dia. ; bark grey, c. 
smooth; tepal yellow; anther yellow, sweet 
scent . 
J. S. Burley, Tukirin et al . 
1334 10 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
Annonaceae 
Polvalthia macrohvncha 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. On slope, slightly open places, 
occasional . 
Small tree c. 4 m tallj 3 cm dia, j bark greyj 
sparsely branched; tepal dark yellow. 
J. S. Burley, Tukirin et al . 
1335 10 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Orchidaceae 
Plocoglottis iavanica B1 . 
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. In gully, shaded, moist places, abundant 
locally . 
Terrestrial herb c. 0.75 m tall; peduncle 
purple; pedicels pale yellow; calyx yellow; 
petal yellow with purple spots. 
J. S. Burley, Tukirin et al . 
1336 10 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF SUMATRA 
Meliaceae 
Chisoc heton sandoricarpus K. & V. 
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. Common along river sides, shaded places. 
Tree c. 8 m tall; 12 cm dia. ; leaf dark 
green; fruit glaucous green. 
J. S. Burley, Tukirin et al . 
1337 10 November, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
