The Eucalypts
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EucaLink         A Web Guide to the Eucalypts
Corymbia oocarpa

Corymbia oocarpa (D.J. Carr & S.G.M. Carr) K.D. Hill & L.A.S. Johnson, Telopea 6: 293 (1995).
Eucalyptus oocarpa D.J. Carr & S.G.M. Carr, Eucalyptus 2: 277 (1988).
TYPE: Northern Territory, Katherine Gorge National Park, N.T., 1418'S 13228'E, N. Byrnes N529, 1967 (holo DNA (NT 14334), iso BRI, CANB ex FRI). The collector's number was erroneously cited as 1529 in the protologue.


Habit: Tree, Height to 12 m high.
Bark: Bark persistent on lower trunk to persistent on full trunk to persistent on trunk and larger branches, tessellated, red-brown or orange, dull, cream to grey or pink (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 simple hairs and bristle glands, petiolate. Intermediate leaves disjunct early, lanceolate to elliptic, straight, entire, dull green, petiolate, 9 cm long, 40 mm wide. Adult leaves disjunct, narrow lanceolate to lanceolate, falcate (sometimes), acuminate, basally tapered, dull, grey-green, thin, discolorous (slightly), 10–18 cm long, 9–22 mm wide; Petioles narrowly flattened or channelled, Petioles 8–18 mm long. Lateral veins obscure, obtuse, closely spaced. Intramarginal vein distinct, continuous.
Inflorescences: Conflorescence compound, terminal; Umbellasters 7-flowered, regular. Peduncles terete, 7–15 mm long. Pedicels terete, 5–12 mm long.
Flowers: Buds pyriform to obovoid, not glaucous or pruinose, 5 mm long, 4 mm diam. Calyx calyptrate; persisting to anthesis. Calyptra conical, narrower than hypanthium; smooth. Hypanthium smooth. Flowers white, or cream.
Fruits: Fruits globose to urceolate, pedicellate, 4 locular, 9–13 mm long, 10–13 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: N.T.

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