The Eucalypts
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Icons
of the
Australian
Bush
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EucaLink
A Web Guide to the Eucalypts
Corymbia sphaerica
- Corymbia sphaerica
K.D. Hill & L.A.S. Johnson, Telopea 6: 351 (1995).
- TYPE: Northern Territory, 3 km N of Lake Surprise (20°12'S 131°48'E), P.K. Latz 10961, 21 Oct 1988 (holo NSW, iso CANB, DNA, PERTH).
Habit: Tree (small), Height to 4 m high.
Bark: Bark persistent throughout, tessellated, red-brown or
grey-brown. Pith glands present; Bark glands present. Cotyledons suborbicular.
Leaves: Juvenile leaves opposite, lanceolate to ovate, hispid with
simple hairs and bristle glands, petiolate. Intermediate leaves opposite,
lanceolate to elliptic, straight, entire, dull green, sessile or petiolate.
Adult leaves opposite, broad lanceolate to ovate or suborbiculate, not falcate,
acute to obtuse to rounded or apiculate (sometimes), cordate, dull, grey-green,
thin, concolorous, 3–8 cm long, 15–45 mm wide; Petioles narrowly
flattened or channelled, Petioles 0–2 mm long. Lateral veins prominent,
obtuse, closely spaced. Intramarginal vein distinct, continuous or looped.
Inflorescences: Conflorescence simple, terminal or axillary;
Umbellasters 3-flowered to 7-flowered, regular. Peduncles terete, 5–30 mm
long. Pedicels terete, 2–12 mm long.
Flowers: Buds obovoid to pyriform, not glaucous or pruinose,
10–12 mm long, 9–10 mm diam. Calyx calyptrate; persisting to anthesis.
Calyptra patelliform, 0.25 times as long as hypanthium, as wide as hypanthium;
smooth. Hypanthium smooth. Flowers cream, or yellow.
Fruits: Fruits globose, pedicellate, 4 locular, 20–30 mm long,
20–30 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: W.A., or N.T., or Qld.
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Habit: Tree (small), Height to 4 m high.
