hort.net Seasonal photo, (c) 2006 Christopher P. Lindsey, All Rights Reserved: do not copy
articles | gallery of plants | blog | tech blog | plant profiles | patents | mailing lists | top stories | links | shorturl service | tom clothier's archive0
Gallery of Plants
Tech Blog
Plant Profiles
Mailing Lists
    Search ALL lists
    Search help
    Subscription info
Top Stories
sHORTurl service
Tom Clothier's Archive
 Top Stories
Disease could hit Britain's trees hard

Ten of the best snowdrop cultivars

Plant protein database helps identify plant gene functions

Dendroclimatologists record history through trees

Potato beetle could be thwarted through gene manipulation

Hawaii expands coffee farm quarantine

Study explains flower petal loss

Unauthorized use of a plant doesn't invalidate it's patent

RSS story archive

RE: [Aroid-l] Leaf vein nomenclature

  • Subject: RE: [Aroid-l] Leaf vein nomenclature
  • From: a san juan kalim1998@yahoo.com
  • Date: Sat, 25 Jun 2005 23:15:27 -0700 (PDT)

Ahhh!!!! Thanks to the people who answered...now that
it's explained, it seems so self-evident!

--- Derek Burch <derek@horticulturist.com> wrote:

> This looks much more complicated than it really is.
> Using your example, it
> means that the usual number of veins per side is six
> to nine. But in
> examining a lot of specimens that in all other
> characters fit the species
> description, the botanist found occasional examples
> with as few as five or
> as many as ten veins per side. 
> Particularly when used in a key, this prevents a
> plant being excluded from
> its correct identification because it is aberrant in
> a single small
> character. As I am sure you know, you should always
> read both parts of the
> couplet that makes up that stage in the keying
> process, and select the path
> that best fits the "unknown" plant even if it isn't
> an absolutely perfect
> fit.
> Hope this helps, Derek 
> -----Original Message-----
> From: aroid-l-bounces@gizmoworks.com
> [mailto:aroid-l-bounces@gizmoworks.com]
> On Behalf Of a san juan
> Sent: Saturday, June 25, 2005 12:22 AM
> To: Discussion of aroids
> Subject: [Aroid-l] Leaf vein nomenclature
> I was looking at a key for Philodendrons, and came
> upon a numbering system for leaf veins that I'm not
> sure about.
> "primary lateral veins of anterior division
> (5-)6-9(-10) per side"
> What does this mean?
> Thanks for any help!
> __________________________________________________
> Do You Yahoo!?
> Tired of spam?  Yahoo! Mail has the best spam
> protection around 
> http://mail.yahoo.com 
> _______________________________________________
> Aroid-l mailing list
> Aroid-l@gizmoworks.com
> http://www.gizmoworks.com/mailman/listinfo/aroid-l
> _______________________________________________
> Aroid-l mailing list
> Aroid-l@gizmoworks.com
> http://www.gizmoworks.com/mailman/listinfo/aroid-l

Yahoo! Sports 
Rekindle the Rivalries. Sign up for Fantasy Football 
Aroid-l mailing list

Other Mailing lists | Author Index | Date Index | Subject Index | Thread Index

 © 1995-2015 Mallorn Computing, Inc.All Rights Reserved.
Our Privacy Statement