SPEC: Color Reversions and ELSIE CROUCH DILTZ


Bill Shear observed:

<<  It would be an extremely unlikely thing for individual plants to change
the
 color of their flowers over time.  Botanically I do not know of any
mechanism that would cause this. >>

As I understand it at least one case of this is documented in bearded irises.
Clarence Mahan observed that one part of a plant of I. florentina--now
considered a white form of the purple I. germanica-- in his garden had changed
to purple. The presumption is that this was a reversion. This plant was
registered as ELSIE CROUCH DILTZ (Mahan, 1987) in honor of his grandmother--if
my memory serves me well--and the phenomenon is noted in the BIS Guide to
Species Irises, their Identification and Cultivation, p.33, where the note
refererences the article by Mahan, "Iris florentina" in SIGNA, v.40, p 1443.

Anner Whitehead, Richmond, VA
Henry Hall, henryanner@aol.com



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