Last Updated：2022/12/24
Interspecific crossing in the wild appears to be limited as well, at least partly due to geographic isolation. However, I. wallerana and I. usambarensis are known to have naturally hybridized in the wild (Grey-Wilson, 1980a; Grey-Wilson, 1980b). With the wonderful horticulture discovery of the New Guinea group of impatiens in the early 1970's, there was significant interest in attempting controlled interspecific pollinations.
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Interspecific
crossing
in
the
wild
appears
to
be
limited
as
well,
at
least
partly
due
to
geographic
isolation.
However,
I.
wallerana
and
I.
usambarensis
are
known
to
have
naturally
hybridized
in
the
wild
(Grey-Wilson,
1980a;
Grey-Wilson,
1980b).
With
the
wonderful
horticulture
discovery
of
the
New
Guinea
group
of
impatiens
in
the
early
1970's,
there
was
significant
interest
in
attempting
controlled
interspecific
pollinations.
