PLANTS OF KALIMANTAN 
PLANTS OF KALIMANTAN 
Tiliaceae 
Microcos borneensis Burret . 
Anacardiaceae 
Semecarpus glaucus Engl . 
Headwaters of S. Kahayan, 5 km NE of Haruwu 
village, E. of Nyoohay tributary of S. Miri . 
0°28 ' S , 113°44'E. Alt.: 225 m. Ridge, mixed 
Dipterocarp forest. 
Tree 8m x 10cm dbh. ; multiple stems; bark 
thin, light grey-brown with fine longitudinal 
cracks; underbark orangy-brown, wood white; 
milky sap. Local names: Rengas manak, Rengas 
ayam. 
J.S. Burley, Tukirin et al . 
401 25 March, 1988 
HARVARD UNIVERSITY HERBARIA 
PLANTS OF KALIMANTAN 
Melastomataceae 
Sonerila rudis ? Stapf. & King. 
Headwaters of S. Kahayan, 5 km NE of Haruwu 
village, E. of Nyoohay tributary of S. Miri. 
0°28'S, 113°44'E. Alt.: 260 m. Ridge, mixed 
Dipterocarp forest. 
Low herb, to 15 cm tall; flower C3 , pink; 
stamens filament pink; anthers white; fruits 
pale green. 
J.S. Burley, Tukirin et al . 
402 25 March, 1988 
HARVARD UNIVERSITY HERBARIA 
PLANTS OF KALIMANTAN 
Zingiberaceae 
Amomum rumphii Sm. 
Headwaters of S. Kahayan, 5 km NE of Haruwu 
village, E. of Nyoohay tributary of S. Miri. 
0°28'S, 113°44'E. Alt.: 230m. Ridge in mixed 
Dipterocarp forest. 
Stems to 3 m tall, green, 12 mm dia. ; 
peduncle 5-10 cm tall; corolla magenta; 
stigma white. 
J.S. Burley, Tukirin et al . 
403 25 March, 1988 
Headwaters of S. Kahayan; 5 km NE of 
Haruwu village, E. of Nyoohay tributary of 
S. Miri. 0°28 ' S , 113°44'E. Alt.: 400 m. 
Primary lowland forest. 
Tree 15m x 20cm dbh. ; bark grey-brown; 
underbark orange -red; fruit wrinkled, brown. 
J.S. Burley, Tukirin et al . 
428 1 April, 1988 
HARVARD UNIVERSITY HERBARIA 
PLANTS OF KALIMANTAN 
Crypteroniaceae 
Crypteronia macrophvlla Beus . - Osinga. 
Headwaters of S. Kahayan; 5 km NE of 
Haruwu village , bank of Nyoohay tributary of 
S. Miri. 0°28 ' S , 113°44'E. Alt.: 200 m. 
Disturbed river bank forest. 
Tree 7m x 8cm dbh. ; bark smooth, grey; 
underbark orange; flowers much reduced, 
perianth brownish; stamens purple. 
J.S. Burley, Tukirin et al . 
429 ' 26 March, 1988 
HARVARD UNIVERSITY HERBARIA 
PLANTS OF KALIMANTAN 
Myristicaceae 
Horsf ieldia reticulata Warb. 
Headwaters of S. Kahayan; 5 km NE of 
Haruwu village, W side of Nyoohay tributary 
of S. Miri. 0°28'S, 113°44'E. Alt.: 235 m. 
Mature secondary forest at edge of abundant 
"ladang" . 
Tree 8m x 9cm dbh. ; bark grey with reddish- 
brown longitudinal grooves; flower buds 
glaucous green; peduncle rusty red tomentum. 
J.S. Burley, Tukirin et al . 
433 27 March, 1988 
HARVARD UNIVERSITY HERBARIA 
HARVARD UNIVERSITY HERBARIA 
