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Wed Jun 28 16:45:23 CEST 2006

hardy  Aroids)" <ARISAEMA-L at NIC.SURFNET.NL>
From: Wilbert Hetterscheid <hetter at XS4ALL.NL>
Subject: Re: Arisaema / Pinellia
In-Reply-To: <481.3c129c1.31d3ede6 at aol.com>
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Gentlemen,

THE separating character netween Arisaema and Pinellia is that in Pinelli=a
the female part of the spadix is totally fused to the spathe and totally
free in Arisaema !! This is a 100% working thing. Take it from an old,
battered, grey taxonomist.

Cheerio,
Wilbert

_____

Van: Arisaema Enthusiast Group (AEG) Discussion List (and other hardy
Aroids) [mailto:ARISAEMA-L at NIC.SURFNET.NL] Namens Jim McClements, Dover, =DE
z6
Verzonden: woensdag 28 juni 2006 16:36
Aan: ARISAEMA-L at NIC.SURFNET.NL
Onderwerp: Re: Arisaema / Pinellia

In a message dated 6/28/06 8:21:35 AM, genebush at OTHERSIDE.COM writes:

Humm..

I would have thought the other way around... unless my memory is off a
bit... and sometimes that happens. Correct me if I am wrong, but does not=A.
dracontium have the bloom on the same stem as the foliage? Pinellia has t=he
inflorescence on a separate stem... one for foliage, one for "bloom"?

I agree with Gene on this as a rule of thumb. . Most arisaemas have the l=eaf
petiole and the flower peduncle arising from the pseudostem, which, howev=er,
is sometimes quite short and could lead to confusion. Also, as Gusman poi=nts
out in his book, evergreen species, such as A. omkoiense, don't follow th=at
rule.

My reference to foliage was to distinguish A. dracontium from Pinellia
tripartita, where there is an obvious difference in the leaflet number an=d
pattern. However, Pinellia pedatisecta and A. dracontium are quite simila=r
except for the absence of the pseudostem in the Pinellia. In fact, an "A.
dracontium" that I received recently and seemed to be growing with
remarkable vigor has "morphed" into a P. pedatisecta!

Jim

Jim McClements
50 S. Prestwick Ct.
Dover, Delaware 19904, USA
Zone 7a
302-734-2836

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<DIV dir=ltr align=left><SPAN class=125494314-28062006><FONT ==
face=Arial 
color=#0000ff size=2>Gentlemen,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=125494314-28062006><FONT ==
face=Arial 
color=#0000ff size=2></FONT></SPAN>&nbsp;</DIV>
<DIV dir=ltr align=left><SPAN class=125494314-28062006><FONT ==
face=Arial 
color=#0000ff size=2>THE separating character netween Arisaema an=d =
Pinellia is 
that in Pinellia the female part of the spadix is totally fused to the =
spathe 
and totally free in Arisaema !! This is a 100% working thing. Take it =
from an 
old, battered, grey taxonomist.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=125494314-28062006><FONT ==
face=Arial 
color=#0000ff size=2></FONT></SPAN>&nbsp;</DIV>
<DIV dir=ltr align=left><SPAN class=125494314-28062006><FONT ==
face=Arial 
color=#0000ff size=2>Cheerio,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=125494314-28062006><FONT ==
face=Arial 
color=#0000ff size=2>Wilbert</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=125494314-28062006><FONT ==
face=Arial 
color=#0000ff size=2></FONT></SPAN>&nbsp;</DIV>
<DIV dir=ltr align=left><SPAN class=125494314-28062006><FONT ==
face=Arial 
color=#0000ff size=2></FONT></SPAN>&nbsp;</DIV><BR>
<BLOCKQUOTE 
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px ==
solid; MARGIN-RIGHT: 0px">
<DIV class=OutlookMessageHeader lang=nl dir=ltr align=l=eft>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>Van:</B> Arisaema Enthusiast Group ==
(AEG) 
Discussion List (and other hardy Aroids) =
[mailto:ARISAEMA-L at NIC.SURFNET.NL] 
<B>Namens </B>Jim McClements, Dover, DE z6<BR><B>Verzonden:</B> =
woensdag 28 
juni 2006 16:36<BR><B>Aan:</B> =
ARISAEMA-L at NIC.SURFNET.NL<BR><B>Onderwerp:</B> 
Re: Arisaema / Pinellia<BR></FONT><BR></DIV>
<DIV></DIV><FONT face=arial,helvetica><FONT face=Geneva =
color=#000000 size=2 
FAMILY="SANSSERIF"><BR>In a message dated 6/28/06 8:21:35 AM, 
genebush at OTHERSIDE.COM writes:<BR><BR><BR>
<BLOCKQUOTE 
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2p=x =
solid; MARGIN-RIGHT: 0px" 
cite="" TYPE="CITE"></FONT><FONT face=Geneva color=#000=000 =
size=2 
FAMILY="SANSSERIF"><BR>Humm..<BR><BR>I would have thought the =
other way 
around... unless my memory is off a bit... and sometimes that =
happens. 
Correct me if I am wrong, but does not A. dracontium have the bloom =
on the 
same stem as the foliage? Pinellia has the inflorescence on a =
separate 
stem... one for foliage, one for =
"bloom"?<BR><BR></BLOCKQUOTE></FONT><FONT 
face=Geneva color=#000000 size=2 FAMILY="SANSSERIF"><BR=><BR>I =
agree with Gene 
on this as a rule of thumb. . Most arisaemas have the leaf petiole and ==
the 
flower peduncle arising from the pseudostem, which, however, is =
sometimes 
quite short and could lead to confusion. Also, as Gusman points out in ==
his 
book, evergreen species, such as A. omkoiense, don't follow that 
rule.<BR><BR>My reference to foliage was to distinguish A. dracontium =
from 
Pinellia tripartita, where there is an obvious difference in the =
leaflet 
number and pattern. However, Pinellia pedatisecta and A. dracontium =
are quite 
similar except for the absence of the pseudostem in the Pinellia. In =
fact, an 
"A. dracontium" that I received recently and seemed to be growing with ==

remarkable vigor has "morphed" into a P. 
pedatisecta!<BR><BR>Jim<BR><BR><BR><BR>Jim McClements<BR>50 S. =
Prestwick 
Ct.<BR>Dover, Delaware 19904, USA<BR>Zone 
7a<BR>302-734-2836<BR></BLOCKQUOTE></FONT><FONT face=Geneva =
color=#000000 size=2 
FAMILY="SANSSERIF"></FONT></FONT></BODY></HTML>

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