"Tree, 14-35 m tall, 20-60 cm diam. Foliage buds 2.5-4 mm long, the tips of the primary scales generally spreading. Juvenile leaves 11-24 by 1.7-2.4 cm. Adult leaves linear to linear-lanceolate, 7-19 by 1-1.8 cm, narrowly acute to acuminate, narrowing more or less abruptly at the base to a 6-14 mm petiole, upper side of midrib a blunt ridge 0.8-1.2 mm wide and 0.2-0.3 mm high. Buds for pollen cones on a peduncle to 6 mm long or less commonly sessile. Pollen cones grouped (3) 4 (5), 2-4 cm long; microsporophylls more or less elongated. Seed with its covering at least 8 mm long but fully mature examples unknown" (de Laubenfels 1988).
Borneo: Sarawak (Labas), Sabah (Trusmadi and Kinabalu), E Kalimantan (Kutei). Scattered in primary rainforest and moss forest, growing as a large emergent on rocky ridges on kerangas, dominant in heath forests and on waterlogged acid soils of Agathis forests; at 600-1600 m elevation (de Laubenfels 1988).
The IUCN reports that this species is in decline. It is facing a very high risk of extinction in the wild due to severe fragmentation of its geographic range, coupled with ongoing loss of habitat.
Tiong. 1984. Blumea 29(2):523.
The species account at Threatened Conifers of the World.
Last Modified 2017-11-12