A Web Guide to the Eucalypts
- Eucalyptus umbra
R. Baker, Proc. Linn. Soc. New South Wales 25: 687 (1901).
- TYPE: New South Wales, Gosford, J. Martin, 14 Nov 1893 (lecto NSW, 2 sheets, fide Hill 1999).
Habit: Tree or Mallee, Height to 25 m high.
Bark: Bark persistent throughout, stringy, grey to red-brown.
Branchlets green. Pith glands absent; Bark glands absent. Cotyledons reniform.
Leaves: Intermediate leaves disjunct early, broad lanceolate,
straight, entire, glossy green, petiolate, 20 cm long, 10 mm wide. Adult leaves
disjunct, lanceolate, falcate, acute, oblique, semi-glossy, green, thick,
discolorous or concolorous, 1014 cm long, 2.53.5 mm wide; Petioles
narrowly flattened or channelled, Petioles 1320 mm long. Lateral veins
obscure, obtuse, moderately spaced.
Inflorescences: Conflorescence simple, axillary (often clustered);
Umbellasters 7-flowered to 11-flowered, regular. Peduncles narrowly flattened or
angular (to 3mm wide), 1222 mm long. Pedicels terete, 58 mm long.
Flowers: Buds ovoid to fusiform, not glaucous or pruinose, 79 mm
long, 34 mm diam. Calyx calyptrate; persisting to anthesis. Calyptra
conical or rostrate, 1 times as long as hypanthium, as wide as hypanthium;
smooth. Hypanthium smooth. Flowers white, or cream.
Fruits: Fruits globose or hemispherical, pedicellate, 35
locular, 68 mm long, 79 mm diam. Disc flat or raised. Valves
rim-level or exserted. Chaff cuboid, chaff same colour as seed.
Occurrence: Locally frequent; dry sclerophyll forest or woodland on
relatively poor shallow dry soils.
Distribution: Qld, or N.S.W. N.S.W. regions North Coast, or Central