Most people have seen deciduous trees change colour before dropping their crisp, drying leaves in response to seasonal drought (in our region) or low temperatures (in cold climates) and then grow fresh new leaves when conditions improve. However, only a few of our group had observed diallagy – or even heard about it – until …
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Plant of the month 06/2023: Pittosporum tinifolium
On our June outing at Cleveland Creek, we noticed clusters of tiny creamy-white flowers (photo above) on a small tree that presented an ID challenge for most of us. Thanks to John for providing the answer: Pittosporum tinifolium. Pittosporum tinifolium (Pittosporaceae) is one of several trees commonly called Rusty Pittosporum. This attractive species was previously …
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Plant of the month 05/2023 was mistakenly identified
Originally we thought this tree was Corymbia serendipita but it is NOT that species. This tree is Corymbia trachyphloia. More details and photos are available on our updated page for Corymbia trachypholoia. Currently we don’t have photos for Corymbia serendipita but we’ll add them later if possible.
Plant of the month 04/2023: Hibbertia advena
Guest post by Dr Betsy Jackes with photos courtesy of Rigel Jensen/Australian Wildlife Conservancy This rare Hibbertia from Taravale has just been named Hibbertia advena by Tim Hammer, Helmut Toelken and Kevin Thiele. The Latin ‘advena’ means outside, foreigner or stranger. This is a reference to the fact this Hibbertia is clearly related to species …
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Plant of the month 03/2023: Heliodendron basalticum
Thanks to John for pointing out this Heliodendron basalticum (photo above) on our recent outing beyond Hervey Range. It was another “new” species for many of us! Heliodendron basalticum (Fabaceae) synonym Archidendropsis basaltica is an endemic Queensland species with leathery bi-pinnate leaves, sometimes deciduous in dry seasons. This small tree grows naturally across a wide …
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Plant of the month 02/2023: Sannantha papillosa
Sannantha papillosa (previously called Babingtonia papillosa) was a Show and Tell item at our February meeting – thanks to Charles! We didn’t have time to discuss this interesting species then, so we’ll give it Plant of the Month attention instead. Sannantha papillosa (Myrtaceae) is listed as Vulnerable under the Queensland Nature Conservation Act because the …
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