Zizyphus

Location
KCMo
Does anyone know of a good source for ID'ing the Zizyphus genus? We have ONE in our area, (we thought) but someone brought me another that is same genus, different species. Now we doubt our original specific name.
 
From the pic, it appears the long spine is the Z. spinosa, and the smaller spined one Z. jujuba! Oddly (or maybe not), our jujuba has the two leaflets at the bud, per the pic, but the spinosa has three (unlike the pic).
Thanks, Frank!
 
LOL Mark,

That pic was taken when Frank worked at the first TREESURGEONS company in Holland (Gebroeders Copijn boomchirurgen). He was one of the first guys in Holland that was really into treecare.
I think the pic was taken when we left our mothers titty and our nappy's to explore the old school Lego and Meccano. I only started working there loooooooong after Frank and his family went to live down under in NZ. Hà, Copijn was the place were we did loads of good old bolting thru cabling, as you can see in the pic (handywork of Frank).
 
Well, well, well! It just took me till three minutes ago, Wolter, that you put an attachment of ME, (taken in appr. 1969), doing indeed GOOD OLD FASHIONED cable work. And you know what? Travel to the Dunedin Botanic Garden in downunder good old New Zealand and look for the large horse chestnut. 17 Cables, same system, re-inspected by me two years ago and still looking AS NEW. Internal decay? No. Internal discolouration? yes.
What about this tree if no cabling system was installed: it would no longer be there.
What's the secret: precise work: no 'slop' in the holes -between bolt and hole diameter: only 1 millimeter oversize.
Excellent seats on the sapwood at a 90degree angle. Proper assembly so that no air can enter into the hole, thereby ensuring that no decays process sets in.
Yes, I know, I am considered being from the 'old school'. I am also the first one to admit that in these days there were people who sort of 'over cabled' (Although I applied these methods only where really warranted).
Cabling and bracing technigues, if applied well, work very well and do have a minimum negative impact upon the tree. I must look for some other spectacular photos of cable and bracing work I did in the North Island in NZ.
So what about cabling here in the US? Well........ I have never seen so many broken cables in my life and also cables placed in totally unnecessary spaces. Any cabling system that restricts the upper canopy from dynamic movement is a prime aid to failure (either of the tree or the cable).

Maybe a cabling workshop is in place???

I am so impressed you got hold of that foto (Flying Kiwi Guy something to do with that?).
And last thing: Great to be on the Kiwi Board, and an Honor to be associated with so many dedicated people in the tree industry.

Yours,

Frank
 
[ QUOTE ]
I am so impressed you got hold of that foto (Flying Kiwi Guy something to do with that?).
And last thing: Great to be on the Kiwi Board, and an Honor to be associated with so many dedicated people in the tree industry.

Yours,

Frank

[/ QUOTE ]
I "digitalized" it for the kiwi geezer and kept a copy for "who knows what or when" /forum/images/graemlins/grin.gif
 
Sisyphis was the hapless greek condemned to roll a boulder uphill, only to watch it roll back down, for eternity. These photos dug up from the ancient past are just like starting all over again.
 

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