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SGAP Cairns Home Page Newsletter 141 SGAP Cairns July 2014 Society for Growing Australian Plants, Cairns Branch WILLIAM SAYER, PLANT this issue COLLECTOR Don Lawie Sayer: Plant Collector P.1 William Sayer was June Excursion Report P.1 commissioned by Baron Ferdinand von Mueller, News from the ATH P.2 Victoria’s Government Botanist, in 1886 to search for Banks and Solander Ga rdens: new plants in Northern Discussion Paper P.3 Queensland. During a sea voyage along the Queensland Upcoming Events P.4 coast the Baron had noted the similarity of the Bellenden Ker Range to some mountains in India that were rich in Rhododendron plants and he instructed Sayer to look for JUNE 2014 EXCURSION REPORT such plants – at that time unknown in Australia. Sayer WRIGHTS CREEK, KURANDA visited the Barron Falls area and Harvey’s Creek – which rises on Don Lawie the eastern slopes of the Bellenden Ker Range. He The track was wide and clear, enabling us to climbed Mount Bellenden Ker We ventured into the lower tablelands today, at with his associate Davidson and an altitude of about 350 metres. After a ramble and comment on various finds. did indeed find the first known productive second attempt at an AGM we set off Stuart had his Instructor’s Hat on today and specimens of an Australian for a ramble under the stern eye of our new passed on many gems of botanical native Rhododendron to which President Boyd. We were in a mix of upland and knowledge to us, for example: a fallen Baron Mueller gave the species lowland rainforest species, growing prolifically in Davidsonia pruriens leaf gave rise to name lochae after the wife of the volcanic soil and showing lingering signs of discussion; the wings on the rachis were not Governor of Queensland. cyclone damage. As the walk progressed the soil sufficiently developed but Stuart said that Sayer had some adventures in changed to less fertile quartzite/schist and the they are not really winged but large teeth, so the Bellenden Ker area vegetation accordingly altered to open savannah we became satisfied with the I.D. Polyscias including losing his boat and all – Eucalypts , She Oak Allocasuarina and Cypress australiana can be identified by the rusty his clothing and equipment Callitris sp., with occasional Banksia aquilonia . appearance of the terminal bud – as Stuart during a trip along the Russell pointed out with a small specimen – but, said River – which also rises in the Boyd what if the tree is ten metres high? Bartle Frere-Bellenden Ker Range. Sayer discovered a Some upland species noted were Brown Pine, number of plants new to Podocarpus grayae and Rose Butternut, science, and some were named Blepharocarya involucrigera which is after him. Dracophyllum sayeri occurs on the bleak upper commonly seen around Lake Eacham, and slopes of Bellenden Ker while both these species occur in relict rainforest Hollandaea sayeriana, with beautiful Proteaceous flowers is endemic to the eastern slopes and foothills of the Bellenden Ker- Bartle Frere Range. 1 Pittosporum rubiginosum NEWS FROM THE ATH A fascinating piece of research from the ATH is soon to be published. The research takes another look JUNE EXCURSION REPORT at the old concept of refugia – special, forever-wet places at Cattana Wetlands near decaying log. splendida , not far from around mountains and Yorkeys Knob almost at sea flowering, but not as prolific tablelands that have been level. here as in severely damaged protected from the withering effects of fire and drought rainforest in the Babinda area. for tens of millions of years. Just about every waitawhile, Sarsaparilla Vine Smilax These places provided Calamus species was noted, australis with pretty refuges for rainforest species, with the notable exception of translucent red new leaves even during the extreme cool Fishtail Lawyer Vine Calamus lurked, waiting to catch an and drought of the last ice caryotoides which is always a unwary passerby with its age some 20 000 years ago. sign of altitude though it too is rough spines all along the In the Wet Tropics, it’s found at Cattana rainforest. 3 Fruit of Pararistolochia stem. Another ambusher was believed refuges existed deltantha , a food plant for the the friendly clinger Supplejack, around the high mountains A few orchids were present – Cairns Birdwing butterfly and on the Atherton Pencil Orchid Dendrobium Tablelands, providing a Flagellaria indica , its leaf ends teretifolium high in the upper terminating in watch-spring stable humid for ancient levels, Bulbophyllum baileyi Vines were prolific – Stuart coils. A species of Aristolochia flowering plants that have gone extinct elsewhere. snaking its way around a pointed out both small-leaf vine presented one almost Plants like Idiospermum , the convenient tree trunk, and a and large-leaf Tetracera vines ripe fruit which differed from laurels, Gymnostoma and couple of Cymbidium growing beside the track and the usual deltantha or tagala Austorbaileya are examples of madidum saprophyting a (Editor’s Note – Tony Roberts October Glory Vine Faradaya these refugial species. confirmed it as Pararistolochia The new work at the ATH deltantha ) but the small looks at these refugia leaves had the same “Velcro” through the lens of DNA. habit. By comparing the DNA of plant communities found within these supposed refugia, researchers found the wetter parts of the Atherton Tablelands contain many species with Gondwanan ancestors. But, up in the Daintree we find an undoubted refuge that contains a large number of 4 Prickly lixie – Alyxia species with southeast Asian oblongata ancestors. Examples are the mahoganies, the custard apple family and just about We ran out of time before we everything in coastal reached Surprise Creek, so rainforest on sands. It’s retraced our steps to the car guessed that the Daintree park and voyaged home after lowlands were invaded by yet another convivial and Asian species adapted to the warm lowlands during the instructive outing in this last few million years. As wonderful outdoors. climate has fluctuated over 4 View from Wright's Lookout time, the rainforests have waxed and waned. Each time a wetter phase arose, the rainforests expanded across the lowlands, with an occasional opportunist from 2 Asia entering the mix.. In May, Boyd suggested this other surplus trees removed. works program for the Banks Late August, Early September : and Solander Gardens. Can Banks and Plant out gardens we discuss? We have a range of labour Solander Gardens: resources to consider as Site selection : Completed. Site appropriate to scheduling. I is running from current Banks/ would prefer one major planting Solander down to Garden For Dicussion rather than several small ones. maintenance shed. See picture We can organise attendance for: on next page. Cairns TAFE ASAP : David to scan and (weekdays) forward GIS images of garden Treeforce Cairns layout. (sundays preferred) End of June : Irrigation, Soil SGAP volunteers imported and amelorations complete. Currently underway, Botanics Gardeneers council staff. Funding : I understand there is Mid July : First Drafts of some money put aside by the Interp signs completed, gardeneers to assist with this provided to Tony for project, and plant purchase. standardisation in line with Signage to be discussed between Gardens style. We will base all Gardens, SGAP and Gardeneers. drafts on an A3 page, landscape We will have to move to get this layout. I feel 3 columns, mostly in the ground, and looking good pictures would be a good start by the 250 year celebration of point for the layout? Banks and Solander's exploration May I be so bold as to suggest of the east coast. Let me know if the following: there are any holes in my planned schedule. Flecker: Tony to do, as he can simply chop something down from the gardens existing info. Banks/Solander: Tony to do Sayer: Don Lawie has done. Boyd to source photos and do layout and edit Cunningham: Boyd to do Cowley: Stu to do. Fitzalan: Stu to do D. Warmington to advise if more / different explorers are preferred. To begin immediately: Plant Sourcing Boyd to approach Yuruga, CRC and council gardens to start sourcing and planning availabilities. End of July : Exact plant layout for each bed and number of plants required finalised. Involving Tony, Boyd, David and Stu. Cocky apple and 3 Upcoming Events CAIRNS SGAP TABLELANDS SGAP TOWNSVILLE SGAP OTHER EVENTS OF INTEREST th nd Sunday 20 th July Meetings on the 4 Wednesday of Meets on the 2 Wednesday of 18-20 July 2014 the month . the month , February to 12 noon. Blue Arrow Walk. Meet November, in Annandale 10th International Carnivorous at the start of the Blue Arrow/Red Excursion the following Sunday. Community Centre at 8pm, and Plants Conference is being held at Arrow Walk on Collins Avenue, holds excursions the following our own Cairns Botanic Gardens Any queries, please contact Chris Edge Hill (downhill from the Sunday. Visitor Centre entrance to the Tanks Arts Centre). Jaminon on 4091 4565 or email [email protected] See www.sgaptownsville.org.au/ Two public events are scheduled: Bring lunch, water and for more information. 1. A book launch on Friday 18 July comfortable walking shoes. @ 3.00pm: Allen Lowrie’s Carnivorous Plants of Australia, Magnum Opus 2. Saturday 19 July @ 12.00 pm: Public Presentation – Introduction and Cultivation of Carnivorous Plants (1 hour) July Excursion – meet here at noon, Sunday 20 July www.sgapcairns.org.au SGAP CAIRNS 2014 COMMITTEE Chairperson Boyd Lenne Vice-chairperson Pauline Lawie Treasurer Stuart Worboys Secretary Boyd Lenne Newsletter Stuart Worboys Webmaster Tony Roberts 4 .
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