Plants of South Eastern New South Wales

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Eucalyptus olsenii

Common name

Woila gum

Family

Myrtaceae

Where found

Woodland on steep rocky slopes often over rhyolite. Ranges and eastern edge of the tablelands between Majors Creek and the Snowy Mountains Highway.

Notes

Tree to 20 m tall.  Bark rough on the lower trunk, or smooth throughout.  Rough bark fibrous or flaky, grey or grey-brown.  Smooth bark shedding in ribbons.  Juvenile stems rounded in cross section, rough.  Juvenile leaves stalkless and opposite each other for 6-10 pairs, rough for about 6-10 pairs, then stalked and alternating up the stems, 3-7.5 cm long, 12-40 mm wide, glossy, green, upper and lower surfaces different colours.  Adult leaves alternating up the stems, 5-12 cm long, 10-20 mm wide, glossy, green.  Flowers white, with 0 petals.  Flower clusters 7-flowered, pointing up or rigidly turned down.  Mature flower buds 9–17 mm long, caps shorter than the base.  Flowers Spring.  Gumnuts 12-18 mm in diameter, ribbed longitudinally. Gumnuts that have dropped their seed have valves that are not very noticeable. 

PlantNET description:   http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Eucalyptus~olsenii  (accessed 22 January, 2021)

EUCLID description:  https://apps.lucidcentral.org/euclid/text/entities/eucalyptus_olsenii.htm  (accessed 22 January, 2021)