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Author Topic: more bergeri???  (Read 407 times)
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Mike W
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« on: April 09, 2014, 00:32:01 »

Hi

I posted this before pre flower and it seemed purpurea was likely.  The heads sure like right (both larger and whiter than bergeri), but now the flower seems to be bergeri.  Maybe a different form of bergeri, or a hybrid?  thanks much, Mike 
 
Here are pics, along with a larger clump of bergeri for comparison. 
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Robin
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« Reply #1 on: April 09, 2014, 11:34:12 »

I'm inclined to say a bergeri hybrid - most likely with aeranthos as the other parent.  There quite a few variations on this hybrid - depending on which of the two was the seed parent.  Here's an example:

http://botu07.bio.uu.nl/bcg/bcr/index.php?genus=TILLANDSIA&id=7994#7994

Mine all look like the hybrid in the link - albeit with longer petals though.

Maybe the shorter petals are controlled by aeranthos as seed parent - your flower shape is more similar to aeranthos than to bergeri.
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gonzer
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Gnarly dude!


« Reply #2 on: April 09, 2014, 18:02:14 »

I concur with Robin in that it is aeranthos x bergeri.
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Mike W
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« Reply #3 on: April 09, 2014, 19:29:06 »

Thanks much guys, much appreciated.

Curious Robin re shape.  Do you mean the petals are shorter and wider than bergeri - I see that often has rather long and thinner more wavy petals.  Anything else that distinguishes the two species.  

This specimen is more whitish than any bergeri or aeranthos I have seen, not that I have seen that many! 
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« Last Edit: April 09, 2014, 21:25:32 by Mike W » Logged
Robin
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« Reply #4 on: April 10, 2014, 10:09:39 »

I have some forms of aeranthos that are that grey and scurfy - they are also more caulescent than my other forms and the new leaves tend to become purple in full sun.

In bergeri the petals are longer than they are wide and also have a twist to them.  They are mauve-blue with white marking on the base as well as a short white median stripe. The pollen is orange. The bracts are very pale pink to mauve-pink and the inflorescence tends to be more congested.

In aeranthos the petals are almost as wide as long with no twist.  They are deep purple-blue with no white marking and the pollen is yellow.  The bracts are carmine and the inflorescence is somewhat more spicate than capitate.

Vegetatively they can be almost impossible to seperate!  The only difference in my plants is that bergeri produces massess of offsets (pups) in the axils of the leaves without flowering.  In aeranthos offsets are generally only produced once the plant has flowered.

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