Flora of the Hawaiian Islands
Dicotyledon Literature for Eucalyptus robusta
Wagner et al., 1990, 1999.
   Myrtaceae -- The Myrtle Family Bibliography
      Eucalyptus robusta

Common name(s): `eukalikia, gum tree, nuholani, palepiwa, swamp mahogany
General Information
DistributionNative to coastal areas of southeastern Queensland to southern coast of New South Wales, Australia.In the Hawaiian Islands, naturalized on Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.

Trees 20-30 m tall, bark reddish brown, rough, soft, spongy throughout.
Adult leaves alternate, blades discolorous, broadly lanceolate, 10-16 cm long, 2.7-4.5 cm wide, apex acuminate, petioles 20-35 mm long.
Flowers 9-15 in axillary, simple umbels, peduncles broadly flattened, 13-30 mm long, pedicels 1-9 mm long; buds rostrate or fusiform, 16-19 mm long, 6-8 mm wide; operculum conical, rostrate.
Fruit cylindrical, 10-18 mm long, 6-11 mm wide, valves 3-4, included and coherent across orifice.