Workshop 1: Names  Workshop 3: Keys   Workshop 4: Keys   
Workshop 5: Weber Arnica key
   Workshop 6: Keys and species

Leaf Shape
TO LEAF VENATION AND ARRANGEMENT
Please Note:
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Simple leaves, i.e., leaves are not divided.

  Lycium pallidum

Besseya ritteriana   

Anticlea elegans

 


Compound leaves, i.e., leaves are divided into leaflets.

Pinnately (feather-like) compound

    

Astragalus mollissimus

 

   Bipinnately compound
(Leaves are cut into leaflets which are cut again.)

Ligusticum porteri

 

Palmately compound

Lupinus pusillus

 

     Ternately compound

Lomatium triternatum

How does one know where the leaf begins?  In the photo immediately above, how do we know
that there are just three leaves, not nine or twenty-seven leaves?

TO LEAF VENATION AND ARRANGEMENT

Workshop 1: Names  Workshop 3: Keys   Workshop 4: Keys   
Workshop 5: Weber Arnica key
   Workshop 6: Keys and species