Bottlebrush or Paperbark? Callistemon or Melaleuca?

Guest post by Malcolm Tattersall
Edited, updated, proofread by Frank Leonard
Feature image by Michelle Pitzel from Pixabay

Bottlebrush or Paperbark? Unraveling the Naming Mystery

It all started with a curious line in our local newspaper’s gardening column: “The Tinaroo Bottlebrush (Melaleuca recurva but still sold as Callistemon recurvis) is…” This made me wonder, like many gardeners might, “Isn’t a Melaleuca a paperbark?” A little digging revealed that the answer isn’t as straightforward as I once thought.

A Naming Puzzle: Untangling Common Names

We use two kinds of names for plants: common names and scientific names. In the case of bottlebrushes and paperbarks, both can be a bit puzzling. Common names often describe a key feature – paperbarks are named for their distinctive papery bark, and bottlebrushes for their flowers that look like bottle brushes.

However, nature doesn’t always follow our neat categories! Some bottlebrushes can have quite papery bark, and some paperbarks can sport flowers that look remarkably like bottlebrushes. I even have a scrawny tree in my own garden with flaky bark and vibrant red, bottlebrush-like flowers. So, is it a paperbark or a bottlebrush? The truth is, when it comes to common names, you could call it either.

The Science Behind the Shift: Simplifying the Botanical Merger

Scientific names, usually in Latin, are meant to be more precise. But even these can change as plant scientists learn more about how different plants are related. For a long time, bottlebrushes (genus Callistemon) and paperbarks (genus Melaleuca) were classified as separate groups.

However, in 2006, a botanist named Lyn Craven proposed that the differences between them weren’t significant enough to keep them apart. He argued that the way their stamens (the pollen-carrying parts of the flower) are arranged shows that Callistemon actually blends into Melaleuca. Because the name Melaleuca was established earlier, the scientific community has been considering moving all bottlebrushes into the Melaleuca genus. So, if you’re being botanically precise, your bottlebrush is now likely considered a type of paperbark.

This change isn’t universally accepted just yet. You might still see plants labeled as Callistemon in some nurseries and older resources. Even the Australian Plant Census, a key authority on plant names, hadn’t fully adopted this change as of 2018. It’s a reminder that our understanding of the natural world is always evolving.

Highlighting Our Local Beauty: The Melaleuca viridiflora Story in Townsville

Getting back to my own garden mystery, my red-flowering, flaky-barked tree turned out to be a Melaleuca viridiflora. While the flowers are typically cream or greenish, red forms do occur here in the Townsville region. So, it was always a paperbark and now, scientifically, it’s confirmed as a Melaleuca.

Bringing it to Your Garden: Connecting with CDTLI’s Nursery

Whether you’re curious about bottlebrushes, paperbarks, or the fascinating world of plant names, Coastal Dry Tropics Landcare Inc.’s Bush Garden Nursery is a fantastic resource right here in Townsville! We stock a wonderful variety of local native plants, including many Melaleuca species (some of which you might have previously known as Callistemon), perfect for our climate and great for attracting local wildlife.

Come visit us to explore our collection and get expert advice for your own garden.

Wildlife attracted to Melaleuca viridiflora:

Broad-leaved Paperbark. Other common names include Broad-leaved Tea Tree and Paperbark Tea Tree.

Birds: Honeyeaters, lorikeets, and other nectar-feeding birds are drawn to the abundant flowers. 

Bees and other pollinators: The flowers provide nectar and pollen, supporting these important insects. 

Other wildlife: The plant can also provide habitat and food for a range of other creatures, including ants, butterfly larvae, and certain orchid species. 

Concluding Thought

So, the next time you see a bottlebrush or a paperbark, remember their close connection. While the names might sometimes cause confusion, their beauty and importance to our local ecosystem are undeniable. Happy gardening.

This original article first appeared on my blog (Malcolm Tattersall), Green Path, in 2018.

Acknowledging Sources

List of References/Sources Mentioned in the Original Article

Here are the specific sources or authorities referred to within Malcolm Tattersall’s original post / article.

• Australian Native Plants Society (Australia) website: Callistemon/Melaleuca merger discussions
• Craven, L.A. (2006). New Combinations in Melaleuca for Australian Species of Callistemon (Myrtaceae). Novon, 16(4), 468–475. This is the key scientific paper. You should be able to find this via Google Scholar or botanical library databases (it might be behind a paywall, but abstracts are often available).
• Australian Plant Census (APC): This is the recognized authority on plant nomenclature in Australia. You can search their database directly online. Search result pages or summary pages about Melaleuca/Callistemon if available).
• Green Path (Malcolm Tattersall’s blog): The original source of the post. You could potentially upload the original 2018 post if you find it online.