Re: Cult:Spiral leaves
From: John or Margaret Montgomery <monashee@junction.net>
Bill Shear wrote:
>
> From: Bill Shear <BILLS@hsc.edu>
>
> >> What causes an iris leaf to spiral as it grows?
>
> The proximate cause is more rapid growth of cells on the leaf margins than
> in the leaf center. What might cause this, I do not know. As Maureen
> pointed out, it is normal or usual for some species but occurs only
> occasionally in others.
Might it be in some cases a symptom of a
virus infection?
I am more familiar with Lilium than Iris
but some virus infected lilies will
produce leaves in a spiral form.
Cheers
John Montgomery
vernon BC Zone 5
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