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Central Spine CENTRAL SPINE NEWSLETTER OF THE CE N TRAL ARIZO N A CA C TUS & SU cc ULE N T SO C IETY AN AFFILI A TE OF THE Cac TUS & SU cc ULENT SO C IETY OF AMERI ca ON THE WEB A T www .C ENTR A L A RIZON acac TUS .ORG July, 2008 IN THIS ISSUE: • On the Virtues of Desert Fruits - John Alcock • Growing Euphorbia obesa in the Phoenix area - Laurence Garvie • Around My (or Your) Desert Garden - Bob Torrest 2008 CACSS OFFI C ERS JULY SPEAKER President: Steve Plath ................................ 623-238-3342 Featuring: Leo Martin [email protected] Subject: The Cacti of Northeastern Brazil Vice-President: Lee Brownson ............... 480-951-4945 When: July 27th [email protected] Secretary: Julie Plath .................................. 623-915-7615 [email protected] Treasurer: Wayne Whipple ..................... 480-460-3623 LO C AL CALE N DAR [email protected] August 24th, Sunday, 2 pm Speaker - Peter Breslin OARD OF IRE C TORS Title - Echinomastus in Arizona B D Regular Club Meeting TERMS ENDING 12/2008 Gard Roper .................................................... 602-996-9745 Dorrance Hall, Desert Botanical Garden [email protected] September 28th, Sunday, 2 pm Daniel Sumberg ........................................... 480-361-6503 Speaker - TBA [email protected] Regular Club Meeting Ingrid Swenson ............................................ 602-957-9865 Dorrance Hall, Desert Botanical Garden [email protected] October 26th, Sunday, 12 pm Setup, 2 pm Auction Silent Auction of Member’s Plants TERMS ENDING 12/2009 Doug Dawson ............................................... 480-893-1207 Wildflower Pavilion, Desert Botanical Garden doug.dawson@ Start your propagations now to make this annual event a success! gcmail.maricopa.edu Leo Martin .................................................... 602-852-9714 The CSSA website will soon have an online events calendar. It is [email protected] my hope that we will not need to duplicate this information but Steve Martinez ............................................. 602-688-4339 instead list selected events that are of local interest. [email protected] Cynthia Robinson ....................................... 602-615-2261 [email protected] Lois Schneberger ..........................................480-946-8373 CENTRAL SPINE ONLINE [email protected] Just a reminder that issues of Central Spine from January 2007 to the present are available for download in PDF format at 2008 CACSS COMMITTEES http://www.centralarizonacactus.org/news.html Programs & Workshops ............................ Lee Brownson Publications & Publicity ............................ Cynthia Robinson Newsletter Editor ........................................ Laurence Garvie [email protected] Assistant Editor ........................................ Paul Schueneman 480-706-1672 [email protected] Membership .................................................. Doug Dawson or Jo Davis 480-839-3792 Finance ............................................................ Wayne Whipple Plant Rescue .................................................. Robert&Cheryl Brown 480-664-9409 [email protected] Library ............................................................. Erik Anderson 480-967-3984 woodcraftman@ earthlink.net ON THE COVER 2009 Show ...................................................... Cynthia Robinson Late afternoon in the Desert Botanical Garden, Phoenix, Arizona. 2009 Sale ........................................................ Mike Cone A forest of Cleistocactus smaragdiflorus backlit by the setting sun 623-215-7692 showing the narrow sprawling and erect stems. The generic name [email protected] is derived from the Greek kleistos, referring to the narrow tubular Refreshments ................................................ Gard Roper flowers, which are largely hummingbird pollinated. This cactus Field Trips ...................................................... Daniel Sumberg or is native to South American (Argentina, Bolivia), where is it lo- Lois Schneberger cally abundant. This is a relatively easy cactus to grow and flowers By-Laws ........................................................... Lois Schneberger throughout the spring and summer. Photo © Laurence Garvie. Web-Site ......................................................... Lee Brownson Publication of material in the Central Spine does not imply agreement with the ideas expressed therin by any portion of the membership of the CACSS, nor does it constitute an endorsement or support for any portion of such material by the CACSS, or the Central Spine, regardless of any position or office held by the author. All such material represents a comment and/or personal opinion of the author. 2 CENTRAL SPINE JULY, 2008 PRESIDENT’S LETTER ndependence Day was kind of a washout for us here in can be a very soppy place. When you see lichens, Tillandsias, and Morristown…literally. Our first good rain of the monsoon resurrection ferns growing with or on the cacti you know they season hit us on the 4th so any outdoor festivities for the have, to one degree or another, a very wet season now and then. holiday were certainly impacted. I didn’t mind though as the Consequently beginning around the end of June through early Ilightening show was as spectacular as any fireworks display and September I remind myself to “Be the Monsoon”, for the sake of the copious rain was very, very welcome. my non-native succulent plants in the garden. Sometimes the rains don’t come to our house very early in the season or sometimes That first rain of the summer season reminded me about how there are large gaps between those rains. So occasionally I will unpredictable the monsoon season really is. With the prospect of get the oscillating sprinkler out or simply grab the hose and let global climate change it makes me wonder what the impact will be the water fly in calculated applications, mimicking that monsoon on our monsoon cycle and is there any way to accurately predict moisture for the benefit of the plants that need it. Make sure it’s that impact. I lived in the Mohave desert for over 12 years and a deep and thorough soak and done early in the morning or late the occurrence of summer rains was very infrequent and the lower in the day when the wind is calm. For some of the plants we grow biotic diversity reflected that. The lessening or loss of summer their primary season for growing is the monsoon season so if they rains here in the Sonoran desert could have some very profound don’t get adequate moisture at that time their whole growing effects. season is lost. From a desert garden perspective those of us who grow many So if the clouds build up miles away and tease you with the promise succulents in the ground know how moisture can make the of rain but don’t offer any relief do your garden a favor and “Be the difference between a lush and inviting space or one that merely Monsoon”. The results will be miraculous and very rewarding. survives. We grow a number of cacti and other succulents in our garden from Mexico as well as other countries. If you’ve ever See you at the meeting! - Steve Plath been to Mexico during the height of the monsoon you know it Ant collecting nectar from an extrafloral nectary on Cylindropuntia ramosissima - Laurence Garvie From the editor ... Laurence Garvie Thank you to all for their positive comments on my first issue into a specific issue then I need the material by the end of the first as editor of the Central Spine and a big thanks to our assistant week of the month that you need to be published in. editor, Paul Schueneman, without whose help I would have had many more hours of work . The overwhelming response is positive. Affiliations Having said this, I am a little surprised at the very few contribu- Since our newsletter is available online and there for the world to tions that I have received from our large pool of talented and read I think it is important to put an address (possibly shortened knowledgeable contributors. At this rate the Central Spine will be if you feel uncomfortable giving your full home address) and email reduced to the President’s Letter and a reminder of next months after the names of authors of contributed articles. While we all speaker. I would prefer not to fill up members’ email boxes with know each other, readers from outside the club are unlikely to constant reminders for contributions. Therefore, be proactive and know who the author is or how to contact them. send me your inspired writings. Even a beautiful photograph of some choice succulent with an extended figure caption is consid- Short Guide for Contributions ered a contribution. One page of the Central Spine is equivalent to about 1000 words. Plan on ca. 500 words with three small figures. Please contact me When to Submit first if you want to publish an article with three or more pages. AT ANY TIME!!! For articles or Miscellanea that need to make it 3 CENTRAL SPINE JULY, 2008 On the Virtues of Desert Fruits John Alcock - School of Life Sciences, Arizona State University, Tempe, Arizona am no different from most other amateur botanists in think- but if so, why are they so very red in color. Most small mammals ing that the flower is where the action is. To see a saguaro cannot see colors but birds can, and so I wonder if pincushion cacti cactus or prickly pear in bloom is to know why we honor the are “trying” to lure a ground-dwelling bird, perhaps a curve-billed flower above all else. The gorgeous color and symmetry of the thrasher or mourning dove, to come have a bite to eat,
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