Plants of South Eastern New South Wales
Eucalyptus tricarpa
Common name
Mugga ironbark, Ironbark, Red ironbark
Family
Myrtaceae
Where found
Dry forest and woodland. South of the Nowra-Braidwood road into Victoria. Coast, ranges, and the eastern edge of the tablelands.
Notes
Tree to 35 m tall. Bark rough on all but the smallest branches or throughout, deeply furrowed, thick and hard ('ironbark'), red-brown or dark grey to black. Juvenile stems rounded in cross section. Juvenile leaves opposite each other for 5 to 7 pairs then alternating up the stems, 4-17 cm long, 13-40 mm wide, dull, green to grey-green or glaucous. Adult leaves alternating up the stems, 8-22 cm long, 10-26 mm wide, glossy or dull, green to grey-green or glaucous. Flowers white or pale pink, with 0 petals. Flower clusters 3-flowered. Mature flower buds 10–17 mm long, caps shorter than the base. Outer ring of stamens not producing pollen. Flowers most of the year. Gumnuts 8-15 mm in diameter. Gumnuts that have dropped their seed have valves that are not very noticeable.
Intermediates between Eucalyptus tricarpa and Eucalyptus sideroxylon with buds in threes and sevens occur in some populations, e.g. in Ben Boyd National Park near Eden.
Hybrids have been recorded between Eucalyptus tricarpa and Eucalyptus bosistoana.
PlantNET description: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Eucalyptus~tricarpa (accessed 1 May 2021)
EUCLID description: https://apps.lucidcentral.org/euclid/text/entities/eucalyptus_tricarpa.htm (accessed 1 May 2021)
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