The Eucalypts
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EucaLink         A Web Guide to the Eucalypts
Eucalyptus tricarpa

Eucalyptus tricarpa (L.A.S. Johnson) L.A.S. Johnson & K.D. Hill, Telopea 4(2): 247 (1991).
Eucalyptus sideroxylon subsp. tricarpa L.A.S. Johnson, Contrib. New South Wales Nat. Herb. 3(3): 122 (1962).
TYPE: New South Wales, Tilba Tilba to Wallaga Lake, L.A.S. Johnson, 20 Nov 1950 (holo NSW 54090).


Habit: Tree, Height to 35 m high.
Bark: Bark persistent throughout, "ironbark", red-brown to brown-black. Branchlets green. Pith glands absent; Bark glands absent. Cotyledons obreniform (bilobed).
Leaves: Intermediate leaves disjunct early, broad lanceolate or ovate, straight, entire, dull green, petiolate, 10 cm long, 6 mm wide. Adult leaves disjunct, lanceolate, falcate, acute, basally tapered, dull, green, thick, concolorous, 9–19 cm long, 1.4–2.4 mm wide; Petioles narrowly flattened or channelled, Petioles 13–25 mm long. Lateral veins prominent, acute, widely spaced.
Inflorescences: Conflorescence simple, terminal or axillary; Umbellasters 3-flowered, regular. Peduncles terete, 5–17 mm long. Pedicels terete to angular, 10–18 mm long.
Flowers: Buds ovoid to clavate to fusiform (short), not glaucous or pruinose, 10–14 mm long, 5–7 mm diam. Calyx calyptrate; persisting to anthesis. Calyptra conical or rostrate, 1 times as long as hypanthium, narrower than hypanthium; smooth. Hypanthium smooth. Flowers white, or cream, or pink, or red.
Fruits: Fruits globose or hemispherical or ovoid, pedicellate, 5 locular, 10–14 mm long, 10–15 mm diam. Disc depressed. Valves enclosed. Chaff dimorphic, linear and cuboid, chaff same colour as seed.

Occurrence: Locally frequent; dry sclerophyll forest or woodland on shallow; poorer soils.
Distribution: N.S.W., or Vic. N.S.W. regions South Coast.

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