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

Eucalyptus sieberi L.A.S. Johnson, Contrib. New South Wales Nat. Herb. 3(3): 125 (1962).
TYPE: New South Wales, Blackheath, J.H. Maiden 4.1899 (holo NSW 54047)


Habit: Tree, Height to 30 m high (sometimes 45).
Bark: Bark persistent on full trunk or persistent on trunk and larger branches, shortly fibrous ("peppermint") (compact), grey-brown to brown-black, grey or white (above), shedding in long ribbons to shedding in short ribbons. Branchlets glaucous, or pruinose. Pith glands absent; Bark glands absent. Cotyledons reniform.
Leaves: Intermediate leaves disjunct early, broad lanceolate to ovate, falcate to straight, entire, dull grey green, petiolate, 17 cm long, 7.5 mm wide. Adult leaves disjunct, lanceolate, falcate, acute, oblique or basally tapered, glossy, green, thick, concolorous, 9–15 cm long, 1.2–2.8 mm wide; Petioles narrowly flattened or channelled, Petioles 13–18 mm long. Lateral veins obscure, very acute or acute, moderately spaced.
Inflorescences: Conflorescence simple, axillary; Umbellasters 7-flowered to 11-flowered to more than 11 flowered (15), regular. Peduncles narrowly flattened or angular (to 3mm wide), 8–16 mm long. Pedicels terete, 1–4 mm long.
Flowers: Buds clavate, not glaucous or pruinose, 4–7 mm long, 3–4 mm diam. Calyx calyptrate; persisting to anthesis. Calyptra hemispherical, 1 times as long as hypanthium, as wide as hypanthium; smooth. Hypanthium smooth. Flowers white, or cream.
Fruits: Fruits conical or pyriform, pedicellate, 3–4 locular, 8–11 mm long, 7–9 mm diam. Disc raised or flat (slightly). Valves enclosed or rim-level. Chaff cuboid, chaff distinctly different in colour from seed.

Occurrence: Locally dominant; wet or dry sclerophyll forest or woodland on shallow soils of low to medium fertility on rises.
Distribution: N.S.W., or Vic., or Tas. N.S.W. regions Central Coast, or South Coast, or Central Tablelands, or Southern Tablelands.

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