Myrtaceae

Tree to 20m tall, sometimes multi-trunked. Bark rough on all but the smallest branches or on the trunk and larger branches, fibrous-flaky ('box'), grey to grey-brown, often with whitish patches. Smooth bark above, glossy, shedding in short ribbons.  Juvenile leaves opposite each other for a few pairs then alternating up the stems, 6–11.5 cm long, 35–95 mm wide, the first few pairs dull green to grey-green, soon glossy and green. Crown often with many intermediate leaves. Crown leaves alternating up the stems, 4-11 cm long, 13-70 mm wide, glossy green. Flowers white, with 0 petals. Mature flower buds 3-5 mm long, caps shorter than the base. Flower clusters 4 to more than 15 flowers, forming large compound clusters, at the ends of the stems or sometimes at the bases of the leaves. Flowers autumn-summer. Gumnuts 2-4 mm in diameter. Gumnuts that have dropped their seed have valves that are not very noticeable.

Eucalyptus populnea subsp. bimbil in PlantNET.

PlantNET description (as :Eucalyptus populnea subsp. bimbil)  http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Eucalyptus~populnea (accessed 1 May, 2021)

EUCLID description:  https://apps.lucidcentral.org/euclid/text/entities/eucalyptus_populnea.htm (accessed 1 May, 2021)