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<font size=3>The definitions are OK if it is clear what vein category you
are talking about. The festooned brochidodromous leaves are those
that have one or more additional sets of loops outside the main
brochidodromous loops that can be originated from secondary veins and/or
tertiary veins or veins of higher category (here is where you REALLY need
to know the vein category). In addition, when the secondary veins
end in a strong vein closely paralleling the leaf margin they form the
typical "intramarginal vein" (see for example in
Myrtaceae)<br><br>
Alejandra <br><br>
At 01:44 PM 4/21/2008, Pankaj Jaiswal wrote:<br>
<blockquote type=cite class=cite cite="">Please let me know if the
following works. Although its more like a phenotype term associated with
the terminal end of secondary veins. We can try to accommodate this
request. [Phenotype terms are strictly not added to PO]. Other terms
associated with venation type are 'acrodromous, eucamptodromous,
semicraspedodromous.'<br><br>
Given this diversity in leaf venation, my suggestion would be to create
two separate instances of brochidodromous vein as follows. Obviously we
need a grouping term 'brochidodromous vein' as well. Point to note: we
are considering 'brochidodromous vein' as a new entity (Plant structure)
compared to its phenotype status described above.<br><br>
leaf vein PO:0020138<br>
---[is_a]--brochidodromous vein [PO:NEW]<br>
------[is_a]--brochidodromous secondary vein [PO:NEW]<br>
------[is_a]--brochidodromous tertiary vein [PO:NEW]<br><br>
<br>
Also<br><br>
leaf vein PO:0020138<br>
---[is_a]--secondary vein PO:0020140<br>
------[develops_from]--brochidodromous secondary vein [PO:NEW]<br>
---[is_a]--tertiary vein PO:0020140<br>
------[develops_from]--brochidodromous tertiary vein [PO:NEW]<br><br>
Definitions:<br>
brochidodromous vein<br>
<x-tab> </x-tab>Describes
leaves with venation in which the secondary and/or higher order veins do
not terminate at the margins but rather are joined in a series of
prominent arches.<br><br>
brochidodromous secondary vein<br>
<x-tab> </x-tab>Describes
leaves with venation in which the secondary veins do not terminate at the
margins but rather are joined in a series of prominent arches.<br><br>
brochidodromous tertiary vein<br>
<x-tab> </x-tab>Describes
leaves with venation in which the tertiary veins do not terminate at the
margins but rather are joined in a series of prominent arches.<br><br>
<br>
Dws wrote:<br>
<blockquote type=cite class=cite cite="">brochidodromous can form from
secondary vein anatomoses in most cases, but in some, such as some
species of Gnetum, it forms from anastomoses of tertiary veins and/or/a
combination.<br>
<br>
<br>
Dennis Wm. Stevenson, FMLS<br>
Vice President for Laboratory Research<br>
Pfizer Curator in Botany<br>
<br>
Editor, Botanical Review<br>
Associate Editor, FLORA<br>
Editor-in-Chief, Cladistics<br>
The International Journal of the Willi Hennig Society<br>
Society web page:
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http://www.cladistics.org/</a><br>
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-----Original Message-----<br>
*From:* Chih-Wei Tung
[<a href="mailto:cwt6@cornell.edu" eudora="autourl">
mailto:cwt6@cornell.edu</a>]<br>
*Sent:* Monday, April 21, 2008 12:50 PM<br>
*To:* Maria A. Gandolfo<br>
*Cc:* po-dev@plantontology.org; Fabio Fiorani; Jose
Manuel Perez<br>
Perez; Dws<br>
*Subject:* Re: Peripheral vein vs tertiary vein or
high order vein<br>
Hi Alejandra,<br>
One more question, does this term "
rochidodromous arch" only<br>
specific to secondary vein or can be used in any vein
order? <br>
Chih-Wei<br><br>
<br>
On Apr 21, 2008, at 12:23 PM, Maria A. Gandolfo
wrote:<br>
<blockquote type=cite class=cite cite=""><br>
Hi,<br><br>
More than brochidodromous vein it is a
"brochidodromous arch". <br>
Hickey, L.J. 1973. Classification of the
architecture of<br>
Dicotyledonous leaves. Amer. J. Bot 60:
17-33.<br><br>
Dilcher, D.L. 1974. Approaches to the
identification of<br>
angiosperms leaves. Bot Rev. 40<br><br>
Leaf architecture Working group. 1999. Manual of
leaf<br>
architecture. 65 p.<br><br>
<br>
Alejandra<br>
At 12:01 PM 4/21/2008, you wrote:<br>
<blockquote type=cite class=cite cite=""> Hi
Alejandra,<br><br>
Thank you for quick reply.<br>
I also found a review paper "Evolution and
Function of leaf<br>
venation architecture",
it has a "brochidodromous venation" picture (see<br>
pdf attachment). I will also
look into those papers you mentioned here.<br><br>
One thing I am puzzled is the photo has a pink
highlight at the peripheral region, it's likely
AGRON-OMICS are interested in that particular
structure (peripheral vein), do you know if there is
any specific terminology to describe such joined
vein structure? Can we call it
"brochidodromous vein" ?<br><br>
Thanks,<br><br>
Chih-Wei<br><br>
<br><br>
<br><br>
<br>
On Apr 21, 2008, at 11:34 AM, Maria A. Gandolfo
wrote:<br><br>
<blockquote type=cite class=cite cite=""><br>
Hi Chih-Wei,<br><br>
For many years paleobotanists have used leaf
architecture as one tool to describe leaf
remains.<br><br>
There are several papers that address the leaf
vein architecture terminology (Dilcher 1973,
Hickey 1974 and more recently LAWG 1999).<br><br>
What the photo is showing is considered to be the
typical brochidodromous venation (secondary veins
joined together in a series of prominent
arches).<br><br>
<br>
If you want the papers I mentioned, I can send them to
you<br><br>
Alejandra<br><br>
<br>
At 10:27 AM 4/21/2008, you wrote:<br>
<blockquote type=cite class=cite cite=""> Dear PO
developers,<br><br>
We recently got a request from AGRONO-MICS group
regarding to the<br>
term " peripheral vein: a vein located toward the
margin of the<br>
leaf<br>
lamina" (see attached picture).<br>
Pankaj raised a issue about how peripheral vein
differs from<br>
tertiary<br>
vein or high order vein, it is very tricky to
determine the vein<br>
orders when the veins form a continuous structure at
the proximal<br>
ends. If you have any thoughts about this
structure, please share<br>
wit us, we would like to resolve it as soon as
possible.<br><br>
Best,<br><br>
Chih-Wei<br><br>
<br><br>
<br>
Content-Type: application/octet-stream;<br>
x-mac-type=5738424E;<br>
x-unix-mode=0644;<br>
x-mac-creator=4D535744;<br>
name=peripheral vein.doc<br>
Content-Disposition: attachment;<br>
filename="peripheral vein.doc"<br><br>
<br><br>
</blockquote></blockquote><br><br>
<br>
Hi Alejandra,<br><br>
Thank you for quick
reply. I also found a review paper
"Evolution and Function of leaf<br>
venation architecture", it has a
"brochidodromous venation"<br>
picture (see pdf attachment). I will also look into
those papers<br>
you mentioned here.<br><br>
One thing I am puzzled is the photo has a pink
highlight at the<br>
peripheral region, it's likely AGRON-OMICS are
interested in that<br>
particular structure (peripheral vein), do you know if
there is<br>
any specific terminology to describe such joined vein
structure?<br>
Can we call it "brochidodromous vein"
?<br><br>
Thanks,<br><br>
Chih-Wei<br><br>
<br>
Content-Type: application/pdf;<br>
x-mac-type=50444620;<br>
x-unix-mode=0644;<br>
x-mac-creator=4341524F;<br>
name=Evolution and function of leaf venation<br>
architecture-review.pdf<br>
Content-Disposition: inline;<br>
filename="Evolution and function of leaf venation<br>
architecture-review.pdf"<br><br>
<br><br>
<br><br>
On Apr 21, 2008, at 11:34 AM, Maria A. Gandolfo
wrote:<br>
<blockquote type=cite class=cite cite=""><br>
Hi Chih-Wei,<br><br>
For many years paleobotanists have used leaf
architecture as one<br>
tool to describe leaf remains.<br><br>
There are several papers that address the leaf
vein<br>
architecture terminology (Dilcher 1973, Hickey 1974
and more<br>
recently LAWG 1999).<br><br>
What the photo is showing is considered to be the
typical<br>
brochidodromous venation (secondary veins joined
together in a<br>
series of prominent arches).<br><br>
<br>
If you want the papers I mentioned, I can send them to
you<br><br>
Alejandra<br><br>
<br>
At 10:27 AM 4/21/2008, you wrote:<br>
<blockquote type=cite class=cite cite=""> Dear PO
developers,<br><br>
We recently got a request from AGRONO-MICS group
regarding to the term " peripheral vein: a
vein located toward the margin of the<br>
leaf lamina" (see
attached picture).<br>
Pankaj raised a issue about how peripheral vein
differs from<br>
tertiary vein or high order
vein, it is very tricky to determine the vein
orders when the veins form a continuous structure at the
proximal ends. If you have any thoughts
about this structure, please<br>
share wit us, we would like to
resolve it as soon as possible.<br><br>
Best,<br><br>
Chih-Wei<br><br>
<br><br>
<br>
Content-Type: application/octet-stream;<br>
x-mac-type=5738424E;<br>
x-unix-mode=0644;<br>
x-mac-creator=4D535744;<br>
name=peripheral vein.doc<br>
Content-Disposition: attachment;<br>
filename="peripheral vein.doc"<br><br>
<br><br>
</blockquote></blockquote></blockquote></blockquote><br>
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-- <br>
Pankaj Jaiswal<br>
G-15, Bradfield Hall<br>
Dept. of Plant Breeding and Genetics<br>
Cornell University<br>
Ithaca, NY-14853, USA<br><br>
Ph. +1-607-255-3103 / 4199<br>
fax: +1-607-255-6683</font></blockquote></body>
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