Adeniums forum: Thia Soco vs Thai Adenium Arabicum

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48Flash
May 2, 2016 10:02 AM CST
OK. I am confused. I am looking to add to my small (8 plant) adenium collection and I am interested in a couple of plants from Thailand. Thai Soco is very interesting to me; I believe it is a cross between arabicum and socotranum . There is also a plant identified only as Thai adenium arabicum Ratchiburi that has a form identical to Thai Soco. Is Thai soco truly a cross or just a variation of arabicum? How would arabicum Ratchiburi differ from Thai Soco?

Name: KadieD
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Rainbow
May 2, 2016 1:38 PM CST
Hello, 48Flash! Welcome!
Thai soco is a hybrid cross of A. arabicum and A. socotranum that was developed in Thailand many years ago. And now there are varieties/cultivars of Thai soco:
Thai Soco Golden Bell ( S1 )
Thai Soco Kao Hin Zon ( KHZ )
Thai Soco Petch Ba Na ( PBN )
and more.
http://www.thailandadenium.com/en/content-adenium_thai_socot...

I have not heard of "Thai adenium arabicum Ratchiburi." Here's a list of some arabicum cultivars/varieties I know about:
Black Giant
Arabicum Black Dragon
Petch Na Wang ( PNW )
Arabicum Rachinee Pan Dook (RCN)
Silver RCN
Yak Kaset
Lop Bu Ri
Sing Bu Ri
Yemen

Hope this helps to answer your questions. Big Grin
[Last edited by Rainbow - May 2, 2016 1:41 PM (+)]
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Name: Rick
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RCanada
May 2, 2016 5:47 PM CST
I am by no means an expert on these, but I will try to convey what I have been informed of from people throughout the world about these different Adeniums.
First Adenium is the Genus name. Aware I am sure. Without getting into the taxonomy of the Genus.

Arabicum is one of the species of Adenium. Thai Soco's as we call them are infact a mutation of sorts of an Arabicum. Some could say hybrid, cross that the Thai people have done over the years.
Thai Socotranum and True Socotranum (from Island of Socotra) are NOT the same tree and not to be confused.
The " Thai Socotranum" is only a Thai Socotranum if it holds the traits in which they are to have to be given the title. A bit taller in the trunk (caudex) branches to be growing in a naturally forming horizontal plain and leaves to be smooth without hairs. So if you purchase Thai Soco seeds, as with any Adenium (i.e.blooms not true to 'obesum' parent from seed) they do not produce necessarily true to pod or pollen parents.
There are so many crosses being produced now with Thai Soco's, Arabicums, obesums, etc., that they are becoming so inter mixed that it is difficult to know or to put an exact name to one.

As Kadie has made a very comprehensive list above. Wonderful by the way.
The Arabicum is known as Arabicum and the Thai Soco as a TS.

If you where purchasing a tree, then looking for the characteristics required to call it a TS is what you would want to do. If buying seeds, then it would be a percentage that could possibly give the results, but you would not know until the seedlings where a few years of age.

I am going to see if I can load this information I have, but I want to ask first before doing so.

Rick
"Many times a day I realize how much my own outer and inner life is built upon the labors of my fellow men, both living and dead, and how earnestly I must exert myself in order to give in return as much as I received"
[Last edited by RCanada - May 2, 2016 9:26 PM (+)]
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48Flash
May 2, 2016 10:27 PM CST
Thank you so much. This info is all very helpful. As a collector, albeit a small time collector, I want to add a Thai Soco to my group and I was confused that many Thai arabicum were visually (in pictures) to be nearly identical to soco.
When you add in that some articles dispute that soco is a true cross or just a mutation. You can see my confusion.
I used to see so many adeniums at the weekend market in Bangkok. Unfortunately, I was not interested in adeniums at that time so I did not pay close attention. Opportunity lost, wish I could go back and do again
Name: KadieD
Oceania, Mariana Islands (Zone 11b)
Wet Tropical AHS Zone 12
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Rainbow
May 2, 2016 10:53 PM CST
48Flash said:I used to see so many adeniums at the weekend market in Bangkok. Unfortunately, I was not interested in adeniums at that time so I did not pay close attention. Opportunity lost, wish I could go back and do again


Same thing happened to me when I visited Bangkok 3 years ago. nodding A year later, after nearly killing a "desert rose" cutting that someone gave 15 years prior, I found out about adeniums through research to save it. My adenium, "Bilibong," is approximately 32 years old now.
Name: Marica
Northern Ca mountains 4000' (Zone 7b)
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crystalview
May 19, 2016 12:24 AM CST
Rainbow said:

My adenium, "Bilibong," is approximately 32 years old now.


Can we see a pic?
Name: KadieD
Oceania, Mariana Islands (Zone 11b)
Wet Tropical AHS Zone 12
Adeniums Tropicals Morning Glories Container Gardener Seed Starter Garden Ideas: Level 1
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Rainbow
May 19, 2016 12:35 AM CST
"Bilibong"
Thumb of 2016-05-19/Rainbow/116053

Thumb of 2016-05-19/Rainbow/b6cd1e

Adenium Short Story: A Survivor

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