Callistemon species are commonly referred to as bottlebrushes because of their cylindrical, brush like flowers resembling a traditional bottle brush. They are found in the more temperate regions of Australia, mostly along the east coast and south-west.
Flower heads vary in colour with species; most are red, but some are yellow, green, orange or white. Each flower head produces a profusion of triple-celled seed capsules around a stem (see picture) which remain on the plant with the seeds enclosed until stimulated to open when the plant dies or fire causes the release of the seeds. (Ref)
Fluidicthought 
Reblogged this on Ace Friends News and commented:
You really do put interesting stories on your site, just love this one. Thanks Ian.
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I always thought bottlebrushes were only red flowers, thanks for the info. Really lovely photo, too. 🙂
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Thanks Jet, a great tree to sit near to photograph birds😃
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Love this…including video.
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Thank you David 🙂
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You’re right: they are the theme of the week… Lovely photos!
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