A Web Guide to the Eucalypts
- Corymbia polysciada
(F. Muell.) K.D. Hill & L.A.S. Johnson, Telopea 6: 417 (1995).
- Eucalyptus polysciada F. Muell.,
J. Linn. Soc., Bot. 3: 98 (1859).
- TYPE: Northern Territory, Fitzmaurice River, F. Mueller, Oct 1855 (holo MEL, iso K). Figured by Blake (1953: plate 11). Type citation: 'Hab. In collibus apricis lapidosis et planitiebus aridis prope M'Adam Range. Anth. vere.'
Habit: Tree, Height to 15 m high.
Bark: Bark persistent on lower trunk or persistent on full trunk,
tessellated, grey to grey-black, dull, white or grey (above), shedding in short
ribbons or shedding in small polygonal flakes. Pith glands present; Bark glands
present. Cotyledons suborbicular.
Leaves: Juvenile leaves disjunct from node 35, lanceolate to
ovate, hispid with bristle glands only, petiolate. Intermediate leaves disjunct
early, lanceolate to elliptic, straight, entire, dull green, petiolate. Adult
leaves disjunct or opposite (sometimes), lanceolate, not falcate, acute, basally
tapered or basally rounded, dull, grey-green, thick, concolorous; Petioles
narrowly flattened or channelled. Lateral veins prominent (usually), obtuse,
closely spaced. Intramarginal vein distinct, continuous.
Inflorescences: Conflorescence simple, axillary; Umbellasters
7-flowered to 11-flowered, irregular. Pedicels terete.
Flowers: Buds clavate, not glaucous or pruinose. Calyx calyptrate;
shedding early. Calyptra patelliform, as wide as hypanthium; smooth. Hypanthium
smooth. Flowers white, or cream.
Fruits: Fruits cylindrical to ovoid (truncate), pedicellate, 3
locular. Calyptra scar flat, 0.20.5 mm wide. Disc depressed. Valves
enclosed. Seeds regular and flattened, patelliform and ovoid, shallowly
reticulate, dull to semi-glossy, red or red-brown. Hilum terminal. Chaff linear,
chaff same colour as seed.