The Eucalypts
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Corymbia dichromophloia

Corymbia dichromophloia (F. Muell.) K.D. Hill & L.A.S. Johnson, Telopea 6: 295 (1995).
Eucalyptus atrovirens Brooker & Kleinig, Field Guide Eucalyptus 3: 371 (1994).
TYPE: Northern Territory, 16 km ENE of Annaburroo roadhouse on Kakadu Highway 1252'S 13148'E, M.I.H. Brooker 11491 & D.A. Kleinig, 29 Apr 1993 (holo CANB, iso AD, MEL, NSW).
Eucalyptus niphophloia Blakely & Jacobs, in Blakely, Key Eucalypts 79 (1934).
TYPE: Northern Territory, W of Pine Creek, M.R. Jacobs 82, July 1933 (lecto NSW, isolecto BRI, CANB, fide Blake 1953). Type citation: 'Dr. M.R. Jacobs, Nos. 82, 108.' These are the only specimens cited in a long citation of field notes from several collectors.
Eucalyptus dichromophloia F. Muell., J. Linn. Soc., Bot. 3: 89 (1859).
TYPE: Northern Territory, in rocks of the Fitzmaurice Ranges, F. Mueller, Oct 1855 (lecto MEL, isolecto K, NSW, fide Blake, 1953: 241).


Habit: Tree, Height to 15 m high.
Bark: Bark smooth throughout or persistent on lower trunk, tessellated, red-brown to orange, dull to glossy, white (above), shedding in small polygonal flakes. Pith glands present; Bark glands present. Cotyledons suborbicular.
Leaves: Juvenile leaves disjunct from node 3–5, lanceolate to ovate, hispid with bristle glands only, petiolate. Intermediate leaves disjunct early, lanceolate to elliptic, straight, entire, dull green, petiolate. Adult leaves disjunct, broad lanceolate to ovate, falcate (sometimes), acute or acuminate, basally tapered, dull, grey-green, thick or thin, concolorous, 9–17 cm long, 20–35 mm wide; Petioles narrowly flattened or channelled, Petioles 10–25 mm long. Lateral veins obscure, obtuse, closely spaced. Intramarginal vein confluent with margin.
Inflorescences: Conflorescence compound, terminal; Umbellasters 7-flowered to 11-flowered, regular. Peduncles terete, 7–15 mm long. Pedicels terete, 5–8 mm long.
Flowers: Buds pyriform, not glaucous or pruinose, 5–8 mm long, 4–6 mm diam. Calyx calyptrate; persisting to anthesis. Calyptra patelliform or conical, 0.25–0.33 times as long as hypanthium, narrower than hypanthium; smooth. Hypanthium smooth. Flowers white, or cream.
Fruits: Fruits urceolate, pedicellate, 4 locular, 13–20 mm long, 10–15 mm diam. Calyptra scar flat, 0.2–0.5 mm wide. Disc depressed. Valves enclosed. Seeds regular or laterally compressed, cymbiform or ovoid, shallowly reticulate, dull to semi-glossy, red-brown. Hilum terminal. Chaff linear, chaff same colour as seed.

Distribution: N.T.

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