Common name: Illyarrie

Family: MYRTACEAE

Eucalyptus erythrocorys in blossom. Photo: D. Blumer.View image slideshow

Description

The Illyarrie is a medium tree to eight metres that is ideally suited to coastal conditions, originating from coastal regions north of Perth Western Australia. It begins flowering in midsummer, discarding its distinctive red bud cap to reveal spectacular bright yellow flowers up to five centimetres or more in diameter.

The flowers usually occur in groups of four, providing a vivid and breathtaking display. It is highly attractive to birds such as honeyeaters, parrots and red-tailed black cockatoos.

The Illyarrie often grows with an irregular trunk appearing semi-weeping as it matures. It can be heavily laden with large woody fruits and is unofficially regarded as a signature species for the Swan Coastal Plain in Perth.

Horticultural tips

  • Illyarrie is effective when planted in groups or groves, where it can provide a wind break or shade.
  • It can also be grown successfully as an individual specimen in the garden, with understorey plants such as Conostylis candicans and Grevillea preissii subsp. glabrilimba.
  • This tree responds well to pruning and prefers to grow in sandy soils, however can usually adapt to most types of soil.

For more horticultural tips view our Plant Notes section.

View in Kings Park

Visit Kings Park to see the full impact of the stunning yellow flowers and red bud caps around the Eucalyptus Carpark, Roe Gardens, Rio Tinto Naturescape Kings Park and the Kings Park Administration Building (refer to map).

Want more information?

Refer to the profile for this plant on the Department of Biodiversity, Conservation and Attractions' FloraBase online herbarium.

Eucalyptus erythrocorys flowers. Photo: D. Blumer.Eucalyptus erythrocorys habit. Photo: D. Blumer.

Naturescape summer opening hours

In response to warming Perth summers and an increased frequency of very high fire danger days, BGPA has considered optimum visitor comfort and safety by implementing a change in summer opening hours in Rio Tinto Naturescape Kings Park from 29 December – 30 January 2022.

Works at Mount Eliza Reservoir

The Water Corporation will be conducting upgrade works to the Mount Eliza Reservoir inlet in Kings Park from mid-June.

Concert traffic interruptions

Road and carpark closures will occur in Kings Park and Botanic Garden on 11 December 2021 due to a concert event.

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Summer events in the park!

With endless sunshine, fresh sea breezes and balmy evenings, summer is a sublime time of year to explore and relax in Kings Park.

Expanded Ruby Tram a boon for Kings Park visitors

Grabbing a coffee and something to eat before (or after) taking the kids to Rio Tinto Naturescape Kings Park has become even easier with an expansion of the free ‘hop-on, hop-off’ Ruby Subiaco Tram service in Kings Park.

Bold Park Draft Management Plan consultation

The Botanic Gardens and Parks Authority is seeking community feedback on the Draft Bold Park Management Plan 2022 - 2027 that will guide park management over the next five years. 

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