Olearias

Tarra Bulga National Park has three different species of Olearia which are members of the daisy family. Two of them can be a little tricky to tell apart, however one is clearly different to the others. From casual observation all of them have similar looking flowers and the best way to tell them apart is by examining the leaves.

Olearia lirata – (Snowy daisy-bush) is a very common species in the park, although it is not usually present in the rainforest gullies; it is a dominant shrub in the wet sclerophyll forest areas (which is the most common vegetation type in the park). It is a small to medium sized shrub and its medium sized leaves are lance shaped and usually green and shiny above and grey and hairy underneath.

Olearia phlogopappa – (Dusty daisy-bush) is less common in the park than Olearia lirata and is  and mostly found in the more disturbed areas; it is also a small to medium sized shrub. It has narrower leaves, that are more greyish and not shiny (hence dusty) with tiny hairs on the underside. The leaves also usually have blunt teeth along their margins.

Olearia argophylla – (Musk daisy-bush)is the third species. It is a large shrub almost to the size of a small tree. Its leaves are much broader and larger than the other two species, they are green on the top and whitish or silvery underneath. It can occur in all forest types within Tarra Bulga, including the rainforest gullies.

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Written by Tarra Bulga

Member of Friends of Tarra Bulga National Park.

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