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Journal of the Cactus and Succulent Society of Australia Inc SSppiinneettttee JJuunnee 22001144 JJoouurrnnaalll ooff ttthhee CCaacctttuuss aanndd SSuuccccuullleennttt SSoocciiieetttyy ooff AAuusstttrraallliiiaa IInncc... wwwwww...ccssssaauusstttrrraallliiiaa...oorrrgg...aauu IIInncc... NNoo... AA00000077227755YY PP...OO... BBooxx 999999 BBrrraaeessiiiddee VViiicctttoorrriiiaa 33119955 AABBNN 8844 339966 112277 RRP $ 4..00 1 | Spinette August 2012 RRP $ 4.00 2014 Calendar Meetings are held on 4th Tuesday of every month except December. Doors open at 7pm Cactus and Succulent Society of for ‘early bird’ plant exchange and sales. Official meeting starts 8pm. Australia Venue: Mt Waverley Community Centre, 47 Miller Crescent, Mt Waverley Victoria 3149 Inc. A0007275Y P.O. Box 999 Braeside Victoria 3195 Regular updates included in this Journal or on the website. Visitors welcome. www.cssaustralia.org.au th June 24 - Dr Randall Robinson – The Evolution of Cacti Patron POM – Any hairy cacti/succulent Professor Tim Entwisle nd Professor Tim Entwisle July 22 - Simon Wadham President POM – Any red cacti/succulent Wayne Robinson 5623 4745 Aug 26th - AGM followed by James Lucas [email protected] POM – Any monstrose/crested cacti/succulent Vice-President Nov 22nd & 23rd - Spring Show Brett Anderson 0429 363 749 brett.anderson [email protected] th Nov 25 – Noelene Tomlinson – Some sedums, hylotelephiums, petrosedums and . Secretary phedimus cultivated in Australia. Barby Alston 0403 050 516 [email protected] POM = Plant of the month Treasurer & Website liaison Officer * CSSA Committee Meetings: Any suggestions CSSA Members wish to have raised at Committee Marylin Ransome 0412 727 020 Meetings are welcomed by the Committee. Suggestions from Members will only be dealt with [email protected] at Committee Meetings, not in the interim, and should be provided in writing to the Secretary no later st than the 1 of the Month. Memberships Tony Alston 0425 725 574 We currently have approximately 200 members, of whom 50-70 come to our regular monthly [email protected] gatherings where we have plant sales, a mini auction, raffles, a comprehensive library, light supper, interesting speakers and often great digital picture shows. Some of our members live far away - Committee interstate, even overseas, or just can’t make it along for a range of other reasons, yet still are able to Elizabeth Roebuck-Jones 0438 505 590 enjoy the benefits of the society through our 12 Journal issues per year. [email protected] (Australia-wide there are approximately 1000 cactus and succulent society members, but these all Felicity Wood 0416312105 belong within State or regional clubs). [email protected] Bob Mitchell 9718 2250 Farewell from the Editor: I let you all know in last month’s journal that this will be my last Spinette as editor. I reflect on my focus Librarian over the years in this position—to try to keep everyone entertained, whether a local member or those interstate or Noelene Tomlinson 9889 5237 overseas. Also to cover a balanced range of interesting topics for the general membership, avoiding overly long or [email protected] technical topics that may not appeal but for a select few specialists. I have also tried to avoid ‘fillers’ that anyone can now ‘copy and paste’ from the internet, or other journals, by instead prioritizing and utilizing both local and Journal Editor Australia-wide, Australian relevant, original content. This also included at least one Australian native succulent article Attila Kapitany 041 999 0934 per year. Every year Spinette has at least 24 articles on cacti and succulents from across the world and I tried to [email protected] include one article in every 24 on our native species. With the word ‘Australia’ in our Society name, we are the first Sub-editors place the public would head to get information about native succulents. Even though some are quite challenging to Noelene Tomlinson grow, we need to still learn about them and share what we know with others. Thank you all again for the support and the positive emails that have come in. Jill Abbott Cheers! Attila Contents Page 3 Tylecodon paniculatus by Joylene Sutherland Euphorbia unwelcome 4 What’s new with ant plants by Attila Kapitany Cover 6 Rosenbaum Botanic Art Studio A silhouette of a cactus and succulent garden at sunset in suburban Melbourne. Here it seems to give the 8 The genus Cremnophila and some of its hybrids by Noelene Tomlinson illusion of an exotic desert location. 10 Meeting 27th May Spring Show Succulenticon 2014 11 Advertising ACTION PRINTING The views and opinions expressed by contributors, especially in articles are their personal opinions, not necessarily Hawthorn Vic 3122 those of, or2 endorsed | Spinette by the society,|June its 2014officers, or the editor. All material herein is copyright and may not be [email protected] reproduced without the permission of the author. Tylecodon paniculatus by Joylene Sutherland Last year I brought a Tylecodon paniculatus to the meeting for POM competition. There was quite a bit of interest in the spent flowers and I was asked if there would be any seed. I didn’t know and brought the plant home and put it back in its position outdoors on the rockery. I was very surprised to see, later in the year, dozens of tiny Tylecodons growing in the soil in the pot around their mother! There was obviously seed in those pods. I put the potted plant in a more sheltered position and forgot about it. Being autumn now, Tylecodons are coming into growth and I was extremely surprised to find on the shaded side of the pot, in shelter of their ‘mother plant’, several surviving baby Tylecodons. One of these looks like it has lost its top but developing new leaves and a couple others looking quite healthy. I only threw some water their way several times over summer as I usually don’t water these plants when dormant and I had thought all of the babies had died off. Euphorbia Unwelcome Luckily for the majority of us who live in the southern areas of the Australian continent this nuisance Euphorbia weed is only apparent in the summer months. Did you know that it has small explosive seed capsules that can eject seed far from the parent plant? Be vigilant as a small plant of only 20 mm in diameter will have hundreds of seed, ready to go places you may not want. Plants grow quickly to 100 mm or more in diameter and typically have thousands of seeds. The Tylecodon paniculatus 'mother plant' above and a close-up of its tiny babies below (alongside a match). 3 | Spinette |June 2014 I now want to focus on two ant plant species Lecanopteris What’s new with Ant Plants? sinuosa and Hydnophytum kajewskii, the latter being native to the (relatively nearby) island of Bougainville and the by Attila Kapitany Solomon Islands. For over a decade I have written articles about Lecanopteris is a small genus of epiphytic ferns, mostly from Australian native succulents which also included ant plants. south East Asia, with one species native to northeast Many cactus and succulent society members Australia-wide Australia. All Lecanopteris species have rhizomatous stems are familiar with these plants and grow a few, perhaps in equipped either with hollows (one species only), tunnels or part through my talks, but there are always enough people chambers where ants regularly make their nests. Most who are unfamiliar with them. So I start with a fast species have bizarrely-shaped rhizomes that are often very ‘refresher’ before moving on to new and more unusual ant different to each other. plants that will likely raise most people’s eyebrows. Lecanopteris sinuosa has mostly green or pale green stems Australian (epiphytic) ant-plants are unusual and fascinating 10-20 mm thick, covered in scales giving them a mottled because they have developed close relationships with ants grey–green and brown appearance. Fronds are 100-400 mm that primarily involve actually providing them with in length and during the dry winter season they may be shed readymade homes within hollow stems or leaves. entirely. When growing in sunny exposed conditions, during dry winter months, fronds tend to be 100-150 mm in length, while in humid summer conditions developing fronds are mostly 2-4 times longer. Lecanopteris sinuosa Myrmecodia beccarii from Cairns Queensland dissected to show cavities, where ants are invited in to use as nesting sites. A range of very different plant species independently evolved to form this informal grouping defined further by their sharing of a mutually beneficial relationship with ants. Technically they are called myrmecophytes which translates as ant-plants. The Australian plants that make up this group belong to the following families: Dischidia major APOCYNACEAE Lecanopteris sinuosa POLYPODIACEAE Hydnophytum ferrugineum RUBIACEAE Hydnophytum moseleyanum RUBIACEAE Myrmecodia beccarii RUBIACEAE Myrmecodia beccarii ‘southern form’ RUBIACEAE Myrmecodia platytyrea subsp. antoinii RUBIACEAE Myrmecodia tuberosa RUBIACEAE The first plant listed above is a type of climber, the second plant listed is a fern, while the rest are all recognized as types of sub-shrubs in the family Rubiaceae. (Coffee comes from a few tree species in the Rubiaceae). In Australia these ant plants are restricted to the tropical northeast coastal regions of Queensland, with the greatest diversity in the Cape York Peninsula. 4 | Spinette |June 2014 Lecanopteris sinuosa The epiphytic sub-shrub genus Hydnophytum of about 50 species is mostly from New Guinea and its neighbouring islands, with two species native to Australia. All Hydnophytum species have hollow areas within tubers. Hydnophytum kajewskii is very poorly studied yet, it is without doubt the most bizarre and interesting of all ant plants. Its tuber develops horizontally while producing pairs Hydnophytum kajewskii in habitat on Santa Isabel Island, Solomon Islands. These are probably the very first photograph s ever published of this bizarre of very large rimmed holes that lead into the tuber’s interior species.
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