In article ,
Jeff Layman wrote:

I'm sorry to say I have been wasting your time. The plant I have is
*not* Amsonia hubrichtii (although that's what it said on the seed
packet). It has a number of almost ripe seeds heads and I thought I'd
have a look at them today. It was then that I examined the leaves - they
are lanceolate, glabrous under a x10 lens, and around 16 cm long and 5
wide. The stems are over a metre long. That probably makes it A.
tabernaemontana, a cultivar of it, or possibly a hybrid.

It will be interesting to see if the flowers vary between the green and
pink-stemmed plants.

You haven't :-) It's not a plant I know, and both Stewart's and my
points apply generically, so are equally relevant. Yes, I agree
that it will be interesting. I have seen other plants with varying
seedling stem colour, that disappeared without other visible effect
once they developed a proper stem - and, as Stewart says, there are
plants where it indicates the presence or absence of a pigment.


Regards,
Nick Maclaren.