Common name: Mugga Ironbark
Eucalyptus tricarpa (L.A.S.Johnson) L.A.S.Johnson & K.D.Hill APNI*
Synonyms: Eucalyptus sideroxylon subsp. tricarpa L.A.S.Johnson APNI*
Eucalyptus tricarpa (L.A.S.Johnson) L.A.S.Johnson & K.D.Hill subsp. tricarpa APNI*
Description: Tree to 35 m high; bark persistent throughout, red-brown to brown-black, `ironbark'.
Juvenile leaves disjunct, broad-lanceolate or ovate, dull green.
Adult leaves disjunct, lanceolate, 9–19 cm long, 1.4–2.4 cm wide, green, dull, concolorous. Umbellasters 3-flowered; peduncle terete, 5–17 mm long; pedicels terete to angular, 10–18 mm long. Buds ovoid, clavate or shortly fusiform, 10–14 mm long, 5–7 mm diam., scar absent; calyptra conical or rostrate, shorter and narrower than hypanthium. Outer stamens infertile; anthers cuboid.
Fruit globose or hemispherical or ovoid, 4- or 5-locular, 10–14 mm long, 10–15 mm diam.; disc depressed; valves enclosed.
Distribution and occurrence: Locally frequent, dry sclerophyll forest or woodland on shallow, poorer soils; south from Araluen.
NSW subdivisions: SC
Other Australian states: Vic.
Two subspecies are sometimes recognised. Only subsp. tricarpa occurs in NSW, with subsp. decora confined to Victoria. We here follow Centre for Australian National Biodiversity Research 2020 EUCLID Eucalypts of Australia Fourth Ed [https://apps.lucidcentral.org/euclid/text/intro/index.html] and Nicole D. (2019) Classification of the Eucalypts (angophora, Corymbia and Eucalyptus) V. 4 [htto://www.dn.com.au/Classification-Of-The-Eucalypts.pdf] in not recognising this subspecies classification. K.L.Gibbons (in consultation with Peter G. Wilson), 21 June 2021.
Text by K. Hill
Taxon concept: Flora of NSW 2 (1991)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
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