Agathis orbicula (PROSEA)

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Plant Resources of South-East Asia
List of species

Agathis orbicula de Laubenf.

Protologue: Blumea 25: 540, f. 5 (1979).

Vernacular names

  • Malaysia: tumuh (Murut, Sarawak), tubu (Kenyah, Sarawak), bulok (Iban, Sabah).


Sarawak and southern Sabah.


The wood is used as kauri.


  • A fairly large tree of up to 40 m tall.
  • Adult leaves ovate to orbicular, 2.4-4.0 cm × 1.2-2.4 cm, broadly rounded to slightly angled at the apex, narrowed into a 3-7 mm long petiole.
  • Mature pollen cones 8-14 mm × 4-6 mm, microsporophylls with a helmet-shaped apex of 1.2-1.5 mm × 1-1.2 mm.
  • Mature seed cones oval, about 7 cm × 4.5 cm, seed bracts transversely broadly elliptical, with a projection near the base on each side.

A. orbicula occurs scattered in montane forest and heath forest at 450-1050 m altitude.

Selected sources

181, 748.


  • C.C.H. Jongkind (selection of species)

Main genus page