Plants of South Eastern New South Wales
Eucalyptus grandis
Common name
Flooded gum, Rose gum
Family
Myrtaceae
Where found
Planted. May have escaped from cultivation. Roadsides and gardens. Sydney area and Gosford area. Blue Mountains.
Notes
Introduced tree to 75 m tall. Bark rough on the basal 1–4 m of trunk, fibrous-flaky, greyish. Smooth bark above, powdery, shedding in short ribbons or flakes. Branchlets glaucous or non-glaucous. Juvenile stems square or rounded in cross section. Juvenile leaves opposite each other for few pairs then alternating up the stems, 4–14 cm long, 20–85 mm wide, glossy, darker green above and paler below. Adult leaves alternating up the stems, 8–18 cm long, 15–40 mm wide, glossy, darker green above and paler below. Flowers white, with 0 petals. Flower clusters 7-11 flowered. Mature flower buds 6-9 mm long, caps as long as the base. Flowers summer to winter. Gumnuts 5-8 mm in diameter. Gumnuts that have dropped their seed have protruding valves, the tips curving upwards, or valves that are not very noticeable.
Naturally occurs north from Maitland, in wet forest and rainforest margins.
Intergrades between Eucalyptus grandis and Eucalyptus saligna are frequent on low sites in the Gosford–Ourimbah district, south of the natural range of Eucalyptus grandis.
PlantNET description: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Eucalyptus~grandis (accessed 22 January, 2021)
EUCLID description: https://apps.lucidcentral.org/euclid/text/entities/eucalyptus_grandis.htm (accessed 22 January, 2021)
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