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Corymbia clarksoniana

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 1555'S 14144'E, but actually 1522'S 14327'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. Cotyledons suborbicular.
Leaves: Juvenile leaves disjunct from node 3–5, 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, 12–20 cm long, 14–35 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), 8–20 mm long. Pedicels terete, 4–9 mm long.
Flowers: Buds ovoid to clavate, glaucous or not glaucous or pruinose, 6–10 mm long, 4–6 mm diam. Calyx calyptrate; persisting to anthesis. Calyptra hemispherical, 0.33–0.5 times as long as hypanthium, narrower than hypanthium; smooth. Hypanthium smooth. Flowers white, or cream.
Fruits: Fruits ovoid to urceolate, pedicellate, 4 locular, 12–21 mm long, 10–15 mm diam. Calyptra scar flat, 0.2–0.5 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.

Distribution: Qld.

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