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RE: SPEC: hybrids of I. versicolor

  • To: Multiple recipients of list <iris-l@rt66.com>
  • Subject: RE: SPEC: hybrids of I. versicolor
  • From: "Mark, Maureen" <MARKM@tc.gc.ca>
  • Date: Thu, 28 May 1998 11:18:53 -0600 (MDT)

Is ours a pseudacorus-versicolour, or was it lavigata?

Maureen Mark

> ----------
> From: 	Bill Shear[SMTP:BILLS@hsc.edu]
> Reply To: 	iris-l@rt66.com
> Sent: 	Thursday, May 28, 1998 11:48 AM
> To: 	Multiple recipients of list
> Subject: 	SPEC: hybrids of I. versicolor
> Many of you have probably gotten the current SIGNA pages now, with an
> emphasis on water irises.  It prompted some musings about Iris
> versicolor.
> I've bloomed two batches of seed now (from SIGNA) of biversatas
> ((ensata x
> versicolor) x versicolor).  All have been virtually identical to
> versicolors.  I've only seen pictures of versatas (ensata x
> versicolor),
> but they do appear to be intermediate between the two species.  I
> wonder if
> the biversatas have any ensata genetic material left at all--could the
> large number of versicolor chromosomes simply overwhelm or eliminate
> it?
> Sharon, as our chromosome expert, I'd appreciate your take on this.
> The biversatas produce bee-pollinated seed as readily as pure
> versicolor.
> Now blooming is a sibcolor seedling (siberica x versicolor), which
> does
> seem intermediate.  The plant has versicolor-like foliage and the
> bloomstalk has a single long branch.  The flower is almost perfectly
> intermediate but with a very sibirica-like bronzy throat in the falls
> that
> is never seen in versicolor (at least never seen by me).
> In two years I should be seeing bloom on a fair number of
> versilaevs--and
> am wondering if anyone is intercrossing these various versicolor
> descendants.
> Has anyone seen any pseudacorus x versicolor hybrids?
> Bill Shear
> Department of Biology
> Hampden-Sydney College
> Hampden-Sydney VA 23943
> (804)223-6172
> FAX (804)223-6374
> email<bills@hsc.edu>
> "Ruth Adams Club Goes Vertical"
> --picture caption in the May 12, 1986, edition of the Farmville
> Herald.
> The photo shows four elderly ladies standing behind a flower
> arrangement.
> They look very grim.

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