Brachychiton and Allied Genera Study Group

Brachychiton populneus


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Welcome to the Brachychiton and Allied Genera Study Group Website.

The Brachychiton and Allied Genera Study Group is one of a number of Study Groups within the Australian Native Plants Society (Australia) whose aims are to further knowledge about the cultivation, propagation and conservation of members of the genus Brachychition and related plants including Sterculia, Thomasia, Commersonia, Rulingia and Lasiopetalum. These genera were previous in the family Sterculiaceae but that family has now being subsumed into the large family Malvaceae as the sub-family Sterculioideae.

The Study Group has been in operation since 1986. Members of the Group are mainly keen amateurs with no formal horticultural or botanical knowledge, although a number of professionals in those fields also participate. As in all study groups, the members' work is mainly carried out in their own homes and gardens and in their own spare time. The work of the Study Group has assisted in the production of the book Brachychitons: Flame Trees, Kurrajongs and Bottle Trees, authored by the current Study Group leader, Kerry Rathie (further details in the 'Resources' section).

If you are interested in the cultivation, propagation, conservation and appreciation of Australia's native flora, and especially Brachychiton and its relatives, why not consider joining and helping the Study Group promote these plants more widely.


Membership is available to members of an ANPSA-affiliated Regional Society. If you are not a member of a Regional Society, please refer to the ANPSA Membership Page for further information on joining.

To join the Brachychiton and Allied Genera Study Group, please send a request using the following form (please note that all fields are mandatory* - you may edit the 'Message' field if necessary) :

I am a member of the following Regional Society*:



Regular newsletters are published several times per year to record activities and experiences of Group members in cultivating brachychitons and related plants, keeping up to date on scientific knowledge and reporting on field trips to various parts of Australia.

Many of the newsletters published by the Group are available for download.



A small compilation of resources on Brachychiton and its relatives - including books and internet links.


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