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Arisaema Enthusiast Group (AEG) Discussion List (and other= Arisaema Enthusiast Group (AEG) Discussion List (and other=
Sun Jun 14 16:27:56 CEST 1998

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From: Paul Christian <paul at RAREPLANTS.CO.UK>
Subject: Re: Arisaema ochraceum
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<html><div>Jim, all</div>
<div>I am sorry if it has taken me a few days to get around to posting on
this.&nbsp; Yet another email installation and new set up!</div>
<div>I think that the questions has evolved into a double one Jim
<div>A.ochraceum Schott. Is the first issue, I think Guy is your man on
this one.&nbsp; I have not seen the original reference paper for a very
long time, since I left Livepool (University- library) nor given the
matter much thought, as I think I know the answer to part 
<div>A.ochraceum (Hort ex India) syn Should be shot, (sorry!) is the
<div> I no longer offer it as whatever turns up as A.ochraceum is never
anything different from one of other Indian species.&nbsp; Most of the
time&nbsp; they are small tubers which produce a radiatisect leaf and
hardly ever flower.&nbsp; </div>
<div>I think that this is because they are really babies, or tubers
produced from the stolons of mature plants of what it really is.&nbsp;
<div>This is A. concinnum.&nbsp; The reason the don't flower is that they
are small, as they get bigger they give their identity away.&nbsp; I
suspect that this is what Ray's is doing now.&nbsp; I don't know if they
start with three leaf divisions and then make five and then make more,
BUT, I have just been out and checked the stock of A. concinnum
here.&nbsp; </div>
<div>The stock is true and even and there is not a rogue in it (*rah
rah*) the largest plant comes to above my waist and has 14 leaflets, the
smallest is a tot only 6cm tall and that has five leaflets.&nbsp; I can
manage a leaf with any number between the two (except 7 in case anyone
comes and checks) </div>
<div>I would think thatit is not unreasonable to suggest they could
therefore get bigger as they get older.&nbsp; I had a &quot;cross
check&quot; and this also happens with ciliatum CT369 and whatever
&quot;echinatum&quot; turns out to be (another post on this), fewer
leaflets when small.&nbsp; The clustering of some of the leaflets and the
fact that they point in a different direction to the others is common to
all of the three species mentioned and I think is developmental, showing
the evolution of radiatisect leaves.&nbsp; I digress.</div>
<div>In short, I don't offer ochraceum because I don't think there is a
species answering to the name.&nbsp; The Indian nursery plant is, based
on experience, almost invariably (but not guaranteed to be)&nbsp; A.
concinnum. </div>
<div>The Chinese material is now flowering and has a mind-rending variety
of species, many mixed, some I just do not recognise, some real surprises
and will I fear mean that I will take up the next week in writing - set
your filters now</div>
<div>At 22:35 12/06/98 -0400, you wrote:</div>
<div>&gt;Paul, Guy et al</div>
<div>&gt;Over the past ten years I have accumulated several arisaemas
called A.</div>
<div>&gt;&quot;ochraceum&quot;. The first came from WeDu Nursery in 1987,
and I have also</div>
<div>&gt;obtained them from Paul Christian and J. Amand. They have all
been exactly the</div>
<div>&gt;same, as far as I can tell. I have 3 plants at this point but
none has ever</div>
<div>&gt;However, even without flowering, they are very distinctive. They
are smallish,</div>
<div>&gt;have pure white stems and three leaflets. The latter are
particularly notable</div>
<div>&gt;in that they have prominent vein patterns, giving them an almost
<div>&gt;look, similar to the &quot;Mrs. French&quot; form of A.
<div>&gt;I know that the conventional wisdom has been to consider this
synonymous with</div>
<div>&gt;A. nepenthoides, but I see not the slightest resemblance
(allowing for the</div>
<div>&gt;fact that I have yet to see one in flower). The stem alone would
rule out the</div>
<div>&gt;synonomy for me.</div>
<div>&gt;Paul, I see that you are no longer offering this, but you must
have seen some</div>
<div>&gt;in flower while you were stocking it. You may still have some in
<div>&gt;collection? Has anyone else grown this plant to flowering? I
think John Gwynne</div>
<div>&gt;had it at one time, but I don't know if it flowered.</div>
<div>&gt;Anyone have any opinion/experience to share?</div>
<div>&gt;Jim McClements</div>

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