PLANTS OF INDONESIA 
Casuarinaceae Cat. # 3856 
Gymnostoma sumatrana 
Det. By: McDonald 1993 
Locality: 
Kabaena; Kabaena, 
Gunung Sabampolulu, 1 km S-SE of Tangkeno 
5°16'S 121°56'E Alt: 700-900 m 
Habitat: 
W slopes of range, mixed ecotone of grasslands and 
short forest; arborescent associates include Grevillea, 
Helicia, Gardenia, Vaccinium, Eugenia; soils 
serpentine. 
Field Char: 
Common canopy tree to 35 m tall; bole straight, 
cylindrical, 70 cm diam.; lateral branches deciduous 
until summit; foliage dark green, dense. 
McDonald & Ismail 3856 22 July 1993 
HERBARIUM BOGORIENSE 
HARVARD UNIVERSITY HERBARIA 
PLANTS OF INDONESIA 
Apocynaceae Cat. # 3857 
Tabernaemontana sp. 
Det. By: McDonald 1993 
Locality: 
Kabaena; Kabaena, 
Gunung Sabampolulu, 1 km S-SE of Tangkeno 
5°16'S 121°56'E Alt: 700-900 m 
Habitat: 
W slopes of range, mixed ecotone of grasslands and 
short forest; arborescent associates include Grevillea, 
Helicia, Gardenia, Vaccinium, Eugenia; soils 
serpentine. 
Field Char: 
Occasional tree 15 m tall, branching midway up; 
bole straight, cylindrical, 50 cm diam.; bark pale 
gray, narrowly and vertically-fissured; lamina green 
with yellow venation above, latex white; 
inflorescence branches reddish, calyx pale green, 
flowers white. 
McDonald & Ismail 3857 22 July 1993 
HERBARIUM BOGORIENSE 
HARVARD UNIVERSITY HERBARIA 
