I have observed this in Bougainvilla species too.
satish Pardeshi
On Sep 15, 6:51 am, MAX OVERTON <maxover...@hotmail.com> wrote:
> Happens in tulips too (from Encyclopaedia Brittanica)...
>
> Generally, solid-coloured tulips are spoken of as “self-coloured,” while
> streaked blossoms are called “broken.” The phenomenon of colour streaks in
> tulips is due to a harmless virus infection that causes the self colour to
> disappear in certain zonal patterns, leaving the flower’s white or yellow
> underlying colour to show through in irregular streaks.
>
> Max
>
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>
> Date: Tue, 15 Sep 2009 06:26:53 +0530
> From: devendra_bhard...@yahoo.com
> Subject: [indiantreepix:18366] hibiscus id Options
> To: indiantreepix@googlegroups.com
> CC: rakesh7bis...@gmail.com; yazdypa...@gmail.com; sin...@sify.com;
> abrpa...@gmail.com
>
> Forwarding again for observations on this Hibiscus pl.
> Earlier relevant feedback:
>
> Yes the white ones are quite common (also in our garden) and sometimes we
> have found them turning pink (like one of your two flowers) and sometimes a
> combination (attached).
> I was unable to explain this phenomenon and had asked for help here earlier.
> rakesh
> Hi Rakesh,
> They look beautiful. I think it must be a rare plant grown out of
> seeds that were accidentally pollinated by beas.
> Regards
> Yazdy.
> Thanks Yazdy and Max.
> I have seen this phenomenon occuring with other plants having white hibisci
> although perhaps in them they appear consistently but in mine they appear
> randomly
> once in 6 months or one year.
> This random appearance after a prolonged absence makes it all the more
> curious. So to quote Max, is it getting infected by a virus from time to
> time?
> rakesh
> Streaks or patches like this in flower colour are often caused by a virus. I
> used to grow carnations for sale and if my stocks got infected with a virus,
> the orange or yellow blooms would have streaks of red. Apparently this comes
> from a red ancestor and the virus activates dormant genes.
> Max
> Yes the white ones are quite common (also in our garden) and sometimes we
> have found them turning pink (like one of your two flowers) and sometimes a
> combination (attached).
> I was unable to explain this phenomenon and had asked for help here earlier.
> rakesh
> This could be because of Chimera.
> Naresh Pancholi
> would request all who have sent their observations on this Hibiscus
> species: to look at the size of leaves, the dentation of leaves, colour of
> leaves, habit of the plant, size of stipules, petiole length, peduncle
> length. These are being neglected while commenting on this plant and every
> one is just talking about flower colour.
> Dr. Gurcharan Singh
>
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