The Eucalypts
***
Icons
of the
Australian
Bush
EucaLink         A Web Guide to the Eucalypts
Corymbia gummifera

Corymbia gummifera (Gaertn.) K.D. Hill & L.A.S. Johnson, Telopea 6: 233 (1995).
Eucalyptus corymbosa Cav., Icon. 4: 23, t. 340 (1797).
TYPE: New South Wales, Port Jackson, L. Nee 1793 (holo MA). No type was cited.
Eucalyptus corymbosa Sm., Zool. Bot. New Holland 1: 43 (1793).
TYPE: New South Wales, Port Jackson, J. White, 1793 (holo LINN, iso BM, CGE, G, K).
Eucalyptus purpurascens var. petiolaris DC., Prodr. 3: 221 (1828).
TYPE: ex jard. de Berlin (holo G)
Metrosideros gummifera Gaertn., Fruct. Sem. Pl. 1: 170, t. 34, fig. 1 (1788).
TYPE: the illustration of the fruiting organs only, t. 34, fig. 1 (holo, iso BM). Type citation: 'Ex herbario Banksiano cum sequentibus.'

Eucalyptus corymbosa Hoffsgg., Verz. Pfl.-Kult. ed. 2 113 (1826).
Eucalyptus longifolia Link ex Maiden, Crit. Revis. Eucalyptus 4: 265 (1919).
pro syn., nom invalid.
Eucalyptus oppositifolia Desf., Tabl. Ecole Bot. ed. 1 222 (1804).
nom. nud.

Habit: Tree, Height to 35 m high.
Bark: Bark persistent throughout or persistent to smaller branches, tessellated, red-brown to grey-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 3–5, ovate to orbiculate, hispid with simple hairs and bristle glands, petiolate. Intermediate leaves disjunct early, lanceolate to broad lanceolate, straight, entire, glossy green (dark), petiolate, 20 cm long, 7 mm wide. Adult leaves disjunct, lanceolate to broad lanceolate, falcate (sometimes), acute or acuminate, basally tapered or basally rounded, dull or glossy, green, thick or thin, discolorous, 10–16 cm long, 20–40 mm wide; Petioles narrowly flattened or channelled, Petioles 10–23 mm long. Lateral veins obscure, obtuse, closely spaced. Intramarginal vein distinct, continuous.
Inflorescences: Conflorescence compound, terminal; Umbellasters 7-flowered, regular. Peduncles terete, 17–30 mm long. Pedicels terete, 9–14 mm long.
Flowers: Buds clavate to pyriform, not glaucous or pruinose, 8–11 mm long, 5–8 mm diam. Calyx calyptrate; persisting to anthesis. Calyptra hemispherical or conical (slightly rostrate), as wide as hypanthium; smooth. Hypanthium smooth. Flowers white, or cream.
Fruits: Fruits urceolate, pedicellate, 3–4 locular, 12–20 mm long, 10–15 mm diam. Calyptra scar flat, 0.2–0.5 mm wide. Disc depressed. Valves enclosed. Seeds regular and laterally compressed, cymbiform, shallowly reticulate, dull to semi-glossy, red-brown. Hilum terminal. Chaff linear, chaff same colour as seed.

Occurrence: Abundant, in dry sclerophyll forest or woodland on low fertility sand or sandstone.
Distribution: Qld, or N.S.W., or Vic. N.S.W. regions North Coast, or Central Coast, or South Coast, or Northern Tablelands, or Central Tablelands.

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