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
 Navigation
Articles
Gallery of Plants
Blog
Tech Blog
Plant Profiles
Patents
Mailing Lists
    FAQ
    Netiquette
    Search ALL lists
    Search help
    Subscription info
Top Stories
Links
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: Three layers in Hostas?


Ran:

>We have an upper epidermal and lower epidermal surface, and the cell
>structures in between that transmit water and nutrients Etc.  Hope I 
>have that right.  Are you discussing that structure system

If you look at a plant's apex under a microscope you will see in most 
dicots a cone like structure with a core and two cell layers on top of 
that.  The top most layer is the L1 and forms the epidermis.  The 
second layer forms the central leaf tissue and the ovaries and the L3 
forms the roots and the pith of woody plants.  The debate right now is 
if hostas have two or three histogenic layers since in monocots two 
layered structures are more common then thre layered structurs.  

Joe Halinar


---------------------------------------------------------------------
To sign-off this list, send email to majordomo@mallorn.com with the
message text UNSUBSCRIBE HOSTA-OPEN





 © 1995-2015 Mallorn Computing, Inc.All Rights Reserved.
Our Privacy Statement
Other Mailing lists | Author Index | Date Index | Subject Index | Thread Index