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Trillium Enthusiast Discussion List (and other Woodland pl= Trillium Enthusiast Discussion List (and other Woodland pl=
Wed Mar 31 20:39:18 CEST 2004

Sender: "Trillium Enthusiast Discussion List (and other Woodland pl=
From: Richard Vagner <richelles at CHARTER.NET>
Subject: Re: Trillium- Direction of Flower
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This is a rather neat question. I have observed that in the wild where th=ere
is theoretically no disturbance most pedicellate Trillium flowers face th=e
same direction. That more Trilliums are found on north facing slopes is
something I have been aware of for some time. However I've never looked a=t
what direction the rhizome is facing. But there is one thing about many
pedicellate Trilliums that I have found in wild populations. In some
Trilliums it seems the rhizomes curve but the curvature is toward the
direction the rhizome is growing (the roots pull the front downward raisi=ng
the rear of the rhizome toward the surface). I've seen this curve many ti=mes
in T. sulcatum but it also occurs in others. I have to remove some Trilli=ums
this season that are in an area where that will become a road in the futu=re
and I could make some observatons of the direction the rhizomes are facin=g.

Richard on the Mountain in Gatlinburg seeing rain today, much needed rain
since it's been too dry.
(Maybe the power that is seems to think the Kiiws need a cleansing after
being exposed to the GC)
----- Original Message -----
From: "John Little" <jhlittle at>
Sent: Wednesday, March 31, 2004 7:11 AM
Subject: Trillium- Direction of Flower

> I am wondering if anyone has studied the pedicellates to determine if
> is a foolproof way to determine which direction the flower will face
> relative to the position of the rhizome. I have a number that have I
> planted that insist on facing away from my paths.
> I have heard some say, but not authoritatively, that light exposure is =the
> controlling factor. This does not seem to me to be true, at least in al=l
> cases. I have intended to make a study of this by turning around some
> rhizomes but am reluctant to do so until I have more plants to work wit=h.
> I am concerned that the disturbance could set back the flowering or
> maturation of the plants. Plus I just seem to always find something els=e
> do. And most of mine are Sessiles.
> For those of you visiting the Pocket you will notice the flexipies on t=he
> north facing slope primarily face north which may not be the direction =of
> maximum solar exposure. Do all those flexipies rhizomes grow in the sam=e
> direction?
> I know Susan has done scientific studies but I'll venture a guess she h=as
> not studied this because it is basically a gardening question. Susan, I
> highly recommend you go to the Pocket Saturday with the ultimate, but
> unofficial, member of the GC, Tom Patrick. Bet you two can work up some
> lively conversation. If you do go, please give us all a report next wee=k.
> I think I asked Tom this question, but being a botanist, not a gardener=,
> did not have a definitive answer.
> John Little
> Lithonia GA Z7

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