The Eucalypts
***
Icons
of the
Australian
Bush
EucaLink         A Web Guide to the Eucalypts
Eucalyptus umbra

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, 10–14 cm long, 2.5–3.5 mm wide; Petioles narrowly flattened or channelled, Petioles 13–20 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), 12–22 mm long. Pedicels terete, 5–8 mm long.
Flowers: Buds ovoid to fusiform, not glaucous or pruinose, 7–9 mm long, 3–4 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, 3–5 locular, 6–8 mm long, 7–9 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 Coast.

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