RE: [Aroid-l] Leaf vein nomenclature

From: a san juan kalim1998 at yahoo.com> on 2005.06.26 at 06:15:27(13056) Ahhh!!!! Thanks to the people who answered...now that it's explained, it seems so self-evident! --- Derek Burch wrote: +More > 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 http://football.fantasysports.yahoo.com _______________________________________________ Aroid-l mailing list Aroid-l@gizmoworks.com http://www.gizmoworks.com/mailman/listinfo/aroid-l

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