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Ties for Growing Iuitral Ian P 1 Ants N Ewsletter No. 3 May , 1987

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Ties for Growing Iuitral Ian P 1 Ants N Ewsletter No. 3 May , 1987 *. I ISSN 0816-178X Assdciation of ,~oci;ties for Growing iuitralIan P1 ants .: 9 h I. 8, rn I Newsletter No. 3 - May , 1987 INTRODUCTION Hello, 1,hope this isn't a surprise, but here is our third news:etter. I apologise for my lack2 of ~entbc4with members. I have written about ten letters to mefib=rs apd they still sit on my desk. I just don't aet aroundlto.finalis'ing and sen'ding them. I will do bettgr from now dn:d.s 1 have cut down on my work by - the surest way to find keen people - wmbership fees. Now that we have membership fees, we are down' to abou,t ten active members. If you receive this newsletter, you make the group. If you don't and you wish to,="please write to me. As you may have noticed, I haven't casheqd any of,-the-cheques (actually my ' wife ban-ked one by mistake, sorry Sus,an). I $on" require subs **.!' as as various groups send don-ationsi' herefor fore, don't send ' 4 cheques. However, if I don't hear from you, at least annually, > I will assume you have retired. ' s I will also explain my reas&s for irregularity and lack of time (as if anyone 'has time to spare).: My' wife has Mu1 tiple P Myeloma, an incurable form of:'<ancer. As 1 have trouble going , . bush and I find I am restrics%&dmore and more to home, I decided to take on a project from home, i.e. this ~tudygroup. I have since learnt that time at home is not necessarfly spare time. I am also ne#tsletter editor for a l~c.alconservation group. It -.. C all keeps re going. MY GARDEN .y : i About I !I garden, many of you know that I bought my house in September, '':186. In good S.G.A.P.'er fashion, I have converted the front alld side yards into gar'den, the kids get the back yard. Most of the ,soil i,s heavy, though some of the front has been filled with coal chitter, with a sandy loan; on top. The grass was very he 11thy. I covered half of my front yard with wood chip, 6 inches de-p. This controlled the grass very well. I then planted den-ely into this. The other half, I covered with paper. then four ir~chesof sand. I have yet to plant out this area. In tht hoodchip side, 1 planted Tho111-asia foliosa, Petaloc. lyx, 5. rhyncocarpa, T. pygmea, Lasio. floribundum, r. -- . ---- other Lasill. Keraudrenia integrifol ia and K. coll ina. I have 's, -. found this to be disappointing. I rapidly lost all the Thomasfa's, .. exce$t 1. rhyncocarpa (grows well ). Lasio. f loribundum is doing reasonably well (the others dled). -K. colllna Is doing well, 2\ K. integrifolia flowers all .year but slowly loses leaves (I ' suspect a root infection), it has made no growth. I 'attribute \\ . I these failures due to the high humidity an2 ideal conditions for q. I fungi. Therefore, on coa'stal N.S.W.. I recommend agajnst mulching with woodchip. Next year, I .will tell you how well sand goes. 1 .- I have also planted out my Brachychitons. I will detail the hybrids in thq next newsletter. B. discol-or is my best grower - a number of plants are five feet high (from seed two years ago, 18 inches high when planted ten months ago). I have a number I grafted onto flame tree stock. I am waitJng to see how long it is till they flower. I was interested to note that many plants are ~till~activelygrowing at present (May). It may be due to . h'=. their late planting out. ( 0 I also have Commersonia fraseri growing but it has only . grown two feet in 12 months, I expected much more. Pottted Collection . After my disappo; :Glenti with the Thomasia's, I considered giving them away. Howpver, I weakened and-I now have a potted coll~ction. Dennis Marqan in Sydney also has a potted collection 1. and Ian Evans in Eaglehawk, Victoria has started another. I Therefore, we have our group possessions and any help with these * would be appreciated. Perhaps I can give more details in the n'ext issue. I have Commersonia bartramia and C. frpseri in very large pots, both about one metre high. I hope to get them to three metres and flowering. If I do, I may be able to get them to a plant shdw - if one is on at the same time. I think I will need I a horse float. Dennis Margan and I will be putting on a display . at the Sydney S.G.A.P. Show this Spring. UNGERIA-FL-ORIBUNDA - Rare and Endangered I I visted Norfolk 1sland recentiy, a week's holiday with my wife - leaving the kids at home. I found !Norfolk Island very interesting but als'o disappointing. only 10% of the National Park . .. - .. is relatively undisturbed (0.6% of the island). The rest is overgrow11 with weeds. There is only one specimen of the Norfolk I Island Boobook Owl still alive, about 18 of their green parrots 4; left and they have had three species of bird become extinct in . the last 15 years. Few places ian the world are that bad. On the : plant scene, it is slightly better. One plant. Abutilon juliaks, 1 was recently redlscovered after It was thought to be extinct for the last 60 years. A fern, Asplenium robinsonTT. is now extinct .in the wild. However, 11 plants are.fn cultivation. I :. The plant we are interested im, .'llnger'ia floribunda, hardly rates any concern over there. It is a member'of the Sterculiaceae, I was informed when I was there that the tree- is now becomming very rare because if has not dropped seed for decades. The introduced Black rat and Polynesian rat both eat the seed in the pods. I searched and found only a few trees and of course, no seedlings. Something, will have to be done. They seem to have too many'other things to worry about over there (with good 1 reason). Perhaps, branches sent back can be grafted onto flame .r -IC C, trees to estiblish it here. .; .- .%. (After Norfolk Island, we had a week on Lord Howe Island. 'a. ** It is the very opposite, 80% beautiful National Park and even the • c othe; 20% is tree covered. No ~terc~ljaczae. but great walking. '- . I found some very interesting plants:) 4 . .. L. '-. 4 ., . SIUDY GKOUP NAMt dl -t I have been getting a bit careless here. I must stick to the title "Brachyc,hi ton and Allied Genera Study Group" - sorry to those I confused. I won'der if we can shorten this to the B.A.G.S. Group. J 1 L THE GENUS BRACHYCHITCN Brachychiton is a genus elf about 30 species. 1'2 of these are named as Brachychitons, five 3re p'i-esentl y included in Stercul ia. and 13 are undescribed. A very thorough study a6d preliminary ' paper. naming all the spe;ies has been done by Go'rdan Guymer, * presqntly working with the Queensland herbarium. However, this has not been published yet. A.friend of mine has Gordan Gu-ymer's thesis, a massive work of 45( pages. I refer to it regularly and find it invaluable. I look .:)rward to the publication of Gordan Guymer's work and informatio on thi's genus. Unfortunately, he is not a member of the study groub,(I'don't even know if he is in the S.G.A.P.). A'second source of infcrmation is Elliott and Jones' Encyclopedia of Australian Flants: Unfortunately, this book is not very thorough. Importa~tspecies are left out and less interesting species are con:,idered "very attractive", "useful ornamental" or "excellent p,,tentialU. I will give my version below. I will try not to r peat the information. in Elliott. and Jones', much of it is uselul. I will give brief descriptions on1 y. I have drawn up a table (irom Guymey's york) to give a brief * description of every member o.f the 'genus Brachychi ton. It ds . -. very brief, however, it should tie suff i'ient' to wet your appetites. Following this, are details of' dpecies 1 amt famil iar . with. R Brachychiton acerifolius - Flame Tree . Tree - 15 to 20 metres, generally deciduois in winter but this depends on the origin of the seed(N0rth Queensland doesn't have a winter but a dry season insfead). Leaves,return following I "1 . f 1oweri ng. , .' Flowers - Red, 3 cm. x 2 cm. ; pro'fuse. , In most cases, flowering is only on branches that were. 'deciduous. The flowering season is relatively short. ~istributio; - Coastal forest fromthe kh'dalhaven to North Queens1and. Habitat - Rainforest, i.e. rich soils, ample water. Cultivation and Frosts - Frequ,ently grpwn, however, rarely lives up' to cxpcctations as it requires rich soilq, ample water and no shading. Many are also mixed up with.'t?:ir flowering and deciduous habit. I suspect these plants are from different areas and are, therefore, programmed to respond to different climate stimul i. Frost tolerant, also very tolerant of poor soils and dry conditions but flowering will be rare. Killed by frosts in Canberra (-7°C). Brachychi ton austral i s - Broad Leaf Bottle Tree Tree - Bottle tree, ten to 20 metres tall. Taller than B. rupestris. Trunk not so bottle like and the leaves broader. Flowers - White, 2 cm. x 3 cm. wide. Distribution - Wide Bay in S.E.
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