The Eucalypts
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EucaLink         A Web Guide to the Eucalypts
Eucalyptus gregsoniana

Eucalyptus gregsoniana L.A.S. Johnson & Blaxell, Contrib. New South Wales Nat. Herb. 4(7): 380 (1973).
TYPE: New South Wales, Clarence to Wolgan, J.H. Maiden NSW 132545, November 1906 (lecto NSW, fide Johnson & Blaxell 1973).
Eucalyptus pauciflora var. nana Blakely, Key Eucalypts 339 (1934).
TYPE: New South Wales, Clarence to Wolgan, J.H. Maiden NSW 132545, Nov 1906 (lecto NSW, fide Johnson & Blaxell 1973).


Habit: Mallee, Height to 5 m high.
Bark: Bark smooth throughout, white or grey, shedding in long ribbons to shedding in short ribbons. Branchlets green. Pith glands absent; Bark glands absent. Cotyledons reniform.
Leaves: Intermediate leaves disjunct early, lanceolate to broad lanceolate, falcate, entire, dull grey green, petiolate, 12 cm long, 2.5 mm wide. Adult leaves disjunct, lanceolate, falcate or not falcate, acute, oblique or basally tapered, glossy, grey-green, thick, concolorous, 7–11 cm long, 1.2–2.5 mm wide; Petioles 8–12 mm long. Lateral veins prominent, very acute, moderately spaced.
Inflorescences: Conflorescence simple, axillary; Umbellasters 7-flowered to 11-flowered, regular. Peduncles terete, 0–8 mm long. Pedicels terete, 0–2 mm long.
Flowers: Buds clavate, not glaucous or pruinose, 7–9 mm long, 3–4 mm diam. Calyx calyptrate; persisting to anthesis. Calyptra hemispherical, 1 times as long as hypanthium, narrower than hypanthium or as wide as hypanthium; smooth. Hypanthium smooth, or verrucose. Flowers white, or cream.
Fruits: Fruits pyriform or conical, pedicellate or sessile, 3–4 locular, 6–8 mm long, 6–8 mm diam. Disc flat or raised. Valves enclosed or rim-level. Chaff cuboid, chaff distinctly different in colour from seed.

Occurrence: Sporadic and scattered; mallee heath on sandy soils of limited drainage in elevated areas.
Distribution: N.S.W. N.S.W. regions Central Coast, or Southern Tablelands.

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