Eucalyptus tereticornis (PROSEA)

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Plant Resources of South-East Asia
Introduction
List of species


Eucalyptus tereticornis J.E. Smith

Protologue: Spec. bot. New Holland 1: 41 (1795).

Synonyms

  • Eucalyptus subulata Cunn. ex Schauer (1843),
  • Eucalyptus insignis Naudin (1891),
  • Eucalyptus umbellata (Gaertner) Domin (1928) non Desf.

Vernacular names

  • Forest red gum (En).

Distribution

Southern Papua New Guinea, eastern Queensland, New South Wales and Victoria, Australia. Cultivated in Papua New Guinea, on a large scale in India, less extensively in other tropical countries.

Uses

The wood is used for heavy construction, railway sleepers, piles, poles and as a mining timber. It is also used for fuelwood, charcoal, pulpwood, hardboard and particle board. The species is used for reforestation. E. tereticornis is a major source of pollen and nectar; the nectar has a caramel flavour.

Observations

  • A large tree of up to 50 m tall, bole straight, up to 200 cm in diameter, bark smooth throughout, white, grey or grey-blue.
  • Juvenile leaves first opposite, then alternate, ovate, slightly discolorous, adult leaves alternate, narrowly lanceolate to lanceolate, 10-20 cm × 1-2.5 cm, acuminate, petiole 13-24 mm long.
  • Inflorescence simple, umbels 7-11-flowered.
  • Flower buds conical, operculum conical.
  • Fruit subglobular to ovoid, 5-7 mm × 4-8 mm, with 4 or 5 strongly exserted valves.

E. tereticornis grows scattered in open forest on alluvial flats up to 1000 m altitude.

Selected sources

63a, 85, 130, 232, 322a, 343, 359, 540.

Main genus page

Authors

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