A Web Guide to the Eucalypts
- Corymbia clarksoniana
(D.J. Carr & S.G.M. Carr) K.D. Hill & L.A.S. Johnson, Telopea 6: 259 (1995).
- Eucalyptus clarksoniana D.J. Carr & S.G.M. Carr,
Eucalyptus 2: 209 (1987).
- TYPE: Queensland, 7.6 km from Killarney on track to New Dixie, [cited as 15°55'S 141°44'E, but actually 15°22'S 143°27'E] J.R. Clarkson 3590, 15 Oct 1980 (holo QRS, iso BRI, NSW).
Habit: Tree, Height to 20 m high.
Bark: Bark persistent throughout, tessellated, red-brown to
grey-brown. Branchlets green. Pith glands present; Bark glands absent.
Leaves: Juvenile leaves disjunct from node 35, lanceolate to
ovate, hispid with bristle glands only, petiolate. Intermediate leaves disjunct
early, elliptic to broad lanceolate, straight, entire, glossy green, petiolate,
18 cm long, 5 mm wide. Adult leaves disjunct, narrow lanceolate to lanceolate,
not falcate, acuminate, basally tapered, dull, grey-green, thin, discolorous,
1220 cm long, 1435 mm wide. Lateral veins obscure, obtuse, closely
spaced. Intramarginal vein distinct, continuous.
Inflorescences: Conflorescence compound, terminal; Umbellasters
7-flowered, regular. Peduncles terete or narrowly flattened or angular (to 3mm
wide), 820 mm long. Pedicels terete, 49 mm long.
Flowers: Buds ovoid to clavate, glaucous or not glaucous or pruinose,
610 mm long, 46 mm diam. Calyx calyptrate; persisting to anthesis.
Calyptra hemispherical, 0.330.5 times as long as hypanthium, narrower than
hypanthium; smooth. Hypanthium smooth. Flowers white, or cream.
Fruits: Fruits ovoid to urceolate, pedicellate, 4 locular, 1221
mm long, 1015 mm diam. Calyptra scar flat, 0.20.5 mm wide. Disc
depressed. Valves enclosed. Seeds regular and laterally compressed, cymbiform or
ovoid, shallowly reticulate, dull to semi-glossy, red-brown. Hilum terminal.
Chaff linear, chaff same colour as seed.