The Eucalypts
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Australian
Bush
EucaLink         A Web Guide to the Eucalypts
Eucalyptus jacksonii

Eucalyptus jacksonii Maiden, J. & Proc. Roy. Soc. New South Wales 47: 219 (1914).
TYPE: Western Australia, between Irwin's Inlet and Brookes' Inlet, S.W. Jackson 10396, Dec 1912 (holo NSW, iso BM, CANB). Cited as "Hab. Deep River, Nornalup Inlet, Bow River, Irwin's Inlet, South West Australia. (The type collected by Sidney Wm. Jackson)."


Habit: Tree.
Bark: Bark persistent throughout, stringy, grey-brown or red-brown. Pith glands present; Bark glands present. Cotyledons reniform.
Leaves: Intermediate leaves disjunct early, lanceolate, falcate, entire, dull grey green, sessile. Adult leaves disjunct, lanceolate, falcate, acute, oblique or basally tapered, glossy, green, thin, discolorous. Lateral veins obscure, acute or obtuse.
Inflorescences: Conflorescence simple, axillary; Umbellasters 3-flowered to 7-flowered. Peduncles terete or narrowly flattened or angular (to 3mm wide).
Flowers: Buds ovoid or clavate, not glaucous or pruinose. Calyx calyptrate; persisting to anthesis. Calyptra conical, 3 times as long as hypanthium, as wide as hypanthium; ribbed. Hypanthium ribbed. Flowers white, or cream.
Fruits: Fruits globose. Disc depressed. Valves enclosed. Chaff cuboid.

Distribution: W.A.

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