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Re: [Aroid-l] Thyphonium nubicum vs Typhonium venosum 'Indian Giant'?


Since we named Sauromatum 'Indian Giant', I guess I'll chime in.  We 
purchased these from an Indian Nursery about 15 years ago and noticed 
that they were remarkably larger than the "typical" species that we had 
grown from years and unique in the ways already mentioned by other 
observant aroiders.  The differences that weren't mentioned yet are a 
much wider vein margin and a much larger (wider) inflorescense.   This 
was introduced by us as a strain and not as a clone.  What we found out 
later is that when grown beside the "typical" form is that they 
cross-pollinate, leading us to believe that they are simply an unusual 
regional ecotype.  Out of several hundred hybrid seedlings which are now 
flowering size, we have some very interesting hybrids between the two 
forms that we are still evaluating.  There is always the possibility 
that S. 'Indian Giant' is a tetraploids, but this has never been tested, 
but the idea of sterile triploid offspring is intriguing.
I hope this helps.

Tony Avent
Plant Delights Nursery @
Juniper Level Botanic Garden
9241 Sauls Road
Raleigh, North Carolina  27603  USA
Minimum Winter Temps 0-5 F
Maximum Summer Temps 95-105F
USDA Hardiness Zone 7b
email tony@plantdelights.com
website  http://www.plantdelights.com
phone 919 772-4794
fax  919 772-4752
"I consider every plant hardy until I have killed it myself...at least three times" - Avent

Steve Marak wrote:
> On Thu, 23 Aug 2007, Brian Williams wrote:
>> This giant form is different in over all size my plant of the regular form
>> grow to 1 to 2 feet while this Indian Giant form grows to 4 feet tall or more.
>> The stems are different as well the regular form is highly spotted while the
>> giant form has much fewer spotting. The leaves on the giant form also tend to
>> be wider as well and less dissected as the more common form. The flowers as
>> far as I can tell at identical and this may be just a odd selected seedling or
>> a tetraploid. Here are some photos showing the differences.
> I've seen several plants matching Brian's description, and even have one 
> myself, a gift from a friend several years ago. I'd add to his description 
> that the substance of the leaf is much greater than the "regular" form.
> I've wondered if they are all indeed a clone, or not clones but closely 
> related, or a number of unrelated clones selected for similar 
> characteristics. But short of my wife winning that big lottery and 
> outfitting the lab of my dreams, or Ronco producing a "Mr. DNA Lab" ....
> And while mine gets up to 4 feet (1.3 meters) or a bit more, I've seen 
> some that had to be close to 6 feet (2 meters), tall enough to pretty much 
> look you right in the eyes. Maybe it was just better cultivation, but to 
> me it looked more like they were an even larger clone (or clones).
> Steve
> -- Steve Marak
> -- samarak@gizmoworks.com
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