A Web Guide to the Eucalypts
- Corymbia trachyphloia
(F. Muell.) K.D. Hill & L.A.S. Johnson, Telopea 6: 227 (1995).
- Eucalyptus trachyphloia forma fruticosa Bailey,
Queensland Agric. J. 25: 9 (1910).
- TYPE: Queensland, top of Glasshouse Mountains, F.M. Bailey, July 1879 (holo BRI, iso MEL). Type citation: '... observed on the Glasshouse Mountains - ...'
- Eucalyptus trachyphloia F. Muell.,
J. Linn. Soc., Bot. 3: 90 (1859).
- TYPE: Queensland, on hills near the Burnett River, F. Mueller, Dec 1856 (holo MEL, iso BM, K). type citation: 'Hab. In collibus ad flumen Burnett. Anth. Sept. Oct.'.
Habit: Tree, Height to 25 m high.
Bark: Bark persistent throughout or persistent to smaller branches,
tessellated, pale brown to yellow-brown, dull, cream to grey-brown (above),
shedding in short ribbons. Branchlets green. Pith glands present; Bark glands
absent. Cotyledons suborbicular.
Leaves: Juvenile leaves disjunct from node 35, lanceolate to
ovate, hispid with simple hairs and bristle glands, petiolate. Intermediate
leaves disjunct early, elliptic to ovate, straight, entire, glossy green,
petiolate, 14 cm long, 6 mm wide. Adult leaves disjunct, narrow lanceolate to
lanceolate, falcate, acute or acuminate, basally tapered, glossy, green or
grey-green, thin, discolorous, 712 cm long, 921 mm wide; Petioles
narrowly flattened or channelled, Petioles 1017 mm long. Lateral veins
obscure, obtuse, closely spaced. Intramarginal vein distinct, continuous.
Inflorescences: Conflorescence compound, terminal; Umbellasters
7-flowered, regular. Peduncles narrowly flattened or angular (to 3mm wide),
513 mm long. Pedicels terete, 26 mm long.
Flowers: Buds clavate to pyriform, not glaucous or pruinose, 35
mm long, 23 mm diam. Calyx calyptrate; persisting to anthesis. Calyptra
patelliform (slightly beaked), 0.250.33 times as long as hypanthium,
narrower than hypanthium; smooth. Hypanthium smooth. Flowers white, or cream.
Fruits: Fruits urceolate, pedicellate, 34 locular, 610 mm
long, 58 mm diam. Calyptra scar flat, 0.20.5 mm wide. Disc
depressed. Valves enclosed. Seeds regular and flattened, patelliform, shallowly
reticulate, dull to semi-glossy, red or red-brown. Hilum terminal. Chaff linear,
chaff same colour as seed.
Occurrence: Locally abundant but sporadic, in dry sclerophyll woodland
on shallow infertile soils on sandstone, granite or acid volcanics; north from
Distribution: Qld, or N.S.W. N.S.W. regions North Coast, or North
Western Slopes, or Central Western Slopes.