Rubiaceae 
Lasianthus 
PLANTS OF KALIMANTAN 
PLANTS OF KALIMANTAN 
Headwaters of S. Kahayan; 5 km S of Tumbang 
Sian loggin camp; Sikatan Wana Raya logging 
concession. 0°35'S; 113°25'E. Alt.: 150 m. 
Primary lowland forest. Open places, 
occasional . 
Undershrub c. 1 m tall; c . 1 cm dia.; flower 
pure white . 
J. S. Burley, Tukirin et al . 
858 1 May, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF KALIMANTAN 
Rubiaceae 
Psvchotria 
Headwaters of S. Kahayan; 5 km S of Tumbang 
Sian loggin camp; Sikatan Wana Raya logging 
concession. 0°35'S; 113°25'E. Alt.: 150 m. 
Primary lowland forest. Open places, 
occasional . 
Undershrub c. 1.5 m tall; leaf dull green. 
J. S. Burley, Tukirin et al . 
859 1 May, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF KALIMANTAN 
Rubiaceae 
Psvchotria 
Headwaters of S. Kahayan; 5 km S of Tumbang 
Sian loggin camp; Sikatan Wana Raya logging 
concession. 0°35'S; 113°25'E. Alt.: 150 m. 
Primary lowland forest. Slightly open places, 
occasional . 
Undershrub c. 0.5 m tall; fruit bright red. 
J. S. Burley, Tukirin et al . 
860 1 May, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
Euphorbiaceae 
Headwaters of S. Kahayan; 5 km S of Tumbang 
Sian loggin camp; Sikatan Wana Raya logging 
concession. 0°35'S; 113°25'E. Alt.: 150 m. 
Primary lowland forest. Open places. 
Undershrub c. 2m tall; c . 3 cm dia.; flower 
whitish green. 
J. S. Burley, Tukirin et al . 
861 1 May, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF KALIMANTAN 
Polypodiaceae 
Platvcerium coronarium 
Headwaters of S. Kahayan; 5 km S of Tumbang 
Sian loggin camp; Sikatan Wana Raya logging 
concession. 0°35'S; 113°25'E. Alt.: 150 m. 
Primary lowland forest. Open places, common. 
Epiphyte fern c. 18 m above ground. Frond c. 
I. 5 m long; sori pale brown. 
J. S. Burley, Tukirin et al . 
862 1 May, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
PLANTS OF KALIMANTAN 
Euphorbiaceae 
Ostodes macrophvlla Benth. 
Headwaters of S. Kahayan; 5 km S of Tumbang 
Sian loggin camp; Sikatan Wana Raya logging 
concession. 0°35'S; 113°25'E. Alt.: 150 m. 
Primary lowland forest. Open places, common. 
Small tree c. 5 m tall; c . 7 cm dia.; flower 
bud greenish yellow; inflorescence hanging 
down. 
J. S. Burley, Tukirin et al . 
863 2 May, 1988 
HARVARD UNIVERSITY HERBARIA 
HERBARIUM BOGORIENSE 
