Plants of South Eastern New South Wales

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Eucalyptus dalrympleana

Common name

Mountain gum, Mountain white gum, White gum, Broad-leaved ribbon gum

Family

Myrtaceae

Where found

Forest and grassy woodland at higher altitudes. 

subsp. dalrympleana:  Kosciuszko National Park, the mountains to the north, ACT, tablelands, and the ranges. Western Slopes south of the Hume Highway.

subsp. heptantha:  Kosciuszko National Park. This subspecies occurs naturally on the northern tablelands of NSW, extending into southern Qld.

Notes

Tree to 60 m tall.  Bark smooth throughout, or with a short stocking of rough, fibrous-flaky, greyish, bark.  Smooth bark shedding in long ribbons, sometimes powdery, sometimes with horizontal black scars.  Branchlets non-glaucous.  Growing tips more or less glaucous.  Juvenile stems stems round or square in cross section. Juvenile leaves opposite each other for many pairs, 2.5-7 cm long, 25-70 mm wide, glossy, green to grey-green.  Adult leaves alternating up the stems, 7–24 cm long, 10-40 mm wide, glossy or dull, green.  Flowers white, with 0 petals.  Flower clusters 3- or 7- flowered.  Mature flower buds 5–10 mm long, caps as long as or shorter than the base.  Flowering: most of the year.  Gumnuts 5-9 mm in diameter. Gumnuts that have dropped their seed have protruding or slightly protruding  valves.   

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

subsp. dalrympleana:  Flower clusters 3-flowered.

Hybridises with Eucalyptus viminalis subsp. viminalis.

All native plants on unleased land in the ACT are protected.

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

subsp. heptantha:  Flower clusters mostly 7-flowered.

Introduced to the area covered by this key.

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