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

Eucalyptus microcorys F. Muell., Fragm. 2: 50 (1860).
TYPE: Hastings R., N.S.W.; H. Beckler (syn MEL, isosyn: K); Mackleay R., N.S.W.; H. Beckler (syn MEL); Brisbane R., Qld; F. Mueller, Jul 1855 (syn MEL, isosyn: K); Brisbane R., Qld; F. Mueller, Aug 1855 (syn MEL, isosyn: K). Cited as "In silvis ad flumina Hastings et McLeay River, Dr. Beckler. Ad flumen Brisbane. F.M."


Habit: Tree, Height to 40 m high (occasionally 60).
Bark: Bark persistent throughout, stringy (with included mica-like flakes), red-brown or brown-black. Branchlets green. Pith glands absent; Bark glands absent. Cotyledons reniform.
Leaves: Intermediate leaves disjunct early, elliptic to ovate, straight, entire, glossy green, petiolate, 11 cm long, 5 mm wide. Adult leaves disjunct, lanceolate, falcate or not falcate, acuminate or acute, basally tapered, glossy, green, thin, discolorous, 8–12 cm long, 1.5–2.5 mm wide; Petioles narrowly flattened or channelled, Petioles 8–15 mm long. Lateral veins prominent, obtuse, moderately spaced.
Inflorescences: Conflorescence simple, terminal or axillary (often clustered towards branchlet-tips and resembling panicles); Umbellasters 7-flowered to 11-flowered, regular. Peduncles narrowly flattened or angular (to 3mm wide) (slender), 6–18 mm long. Pedicels terete, 2–6 mm long.
Flowers: Buds clavate, not glaucous or pruinose, 4–6 mm long, 2–3 mm diam. Calyx calyptrate; persisting to anthesis. Calyptra hemispherical, 1 times as long as hypanthium, as wide as hypanthium; smooth (with four sutures). Hypanthium smooth, or ribbed (slightly). Flowers white, or cream.
Fruits: Fruits conical or pyriform, pedicellate, 3 locular (sometimes 4), 5–9 mm long, 4–6 mm diam. Disc depressed. Valves rim-level (more or less). Chaff dimorphic, linear and cuboid, chaff same colour as seed.

Occurrence: Abundant, wet forests or rainforest margins on moderately to highly fertile soils, often on slopes.
Distribution: Qld, or N.S.W. N.S.W. regions North Coast, or Central Coast.

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