The Eucalypts
***
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of the
Australian
Bush
EucaLink         A Web Guide to the Eucalypts
Eucalyptus lucasii

Eucalyptus lucasii Blakely, Key Eucalypts 226 (1934).
TYPE: Western Australia, Lake Barlee, C. Fitzgerald-Fraser, per W.C. Grasby, Sep 1919 (holo NSW 145673, iso PERTH)


Habit: Tree or Mallee.
Bark: Bark smooth throughout or persistent on lower trunk (older trees only), fibrous-flaky with whitish patches ("box"), grey, white (smooth). Pith glands present; Bark glands present. Cotyledons obreniform (bilobed).
Leaves: Intermediate leaves disjunct early, lanceolate to ovate, straight, entire, dull grey green, petiolate. Adult leaves disjunct, lanceolate, not falcate, acute or obtuse, basally tapered, dull, grey-green, thin, concolorous. Lateral veins obscure, acute.
Inflorescences: Conflorescence compound, terminal or axillary; Umbellasters 7-flowered to 11-flowered. Peduncles terete.
Flowers: Buds clavate, not glaucous or pruinose. Calyx calyptrate; shedding early. Calyptra patelliform or hemispherical, 1 times as long as hypanthium, narrower than hypanthium; rugose. Hypanthium rugose. Flowers white.
Fruits: Fruits cylindrical or ovoid (truncate). Disc depressed. Valves enclosed. Chaff dimorphic, linear and cuboid.

Distribution: W.A.

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