Home | E-mail | Plant files |  Dictionary  | Search 

 
 
 
Leaf shape  [ Botany ]

Dictionary of botanic terminology - index of names

Synonyms: Leaf form, Leaf type
     
  Any of the various shape that leaves of plants can assume.  
     
In botany there are many terms, usually derived from Latin, used to describe the shape of a plant leaf.
The following are some of the basic ones dealing with leaf blade shapes - General overwiew:

Acicular: Having the shape of a needle
Cuneate: Broad and truncate at the summit, narrowly triangular, and tapering toward the base;
Deltoid: Triangular in outline, suggesting a capital delta.
Lanceolate:
Lance-shaped, tapering from a broad base to an apex; much longer than wide
Ovate: Egg-shaped with the broadest part toward the base (note that obovate is the reverse relative)
Obovate: Stem attaches to tapering point petiole attachment to the blade)
Cordate: Heart shaped with a basal sinus.
Peltate: Shield shaped with the petiole not attached at the blade margin (peltata): Rounded, stem underneath
Scale leaf: Small sharp-pointed leaf with a broad base. They usually overlap on the stem.


Peltate


Ovate


Obovate


Cordate


Lanceolate


Cuneate


Deltoid


Scale leaf


Acicular:

 

     
 
     

 

 

 

1



 

Old Cactuspedia home | E-mail | Photo gallery | Dictionary | Search 

Please note: this is an obsolete page Try the new Cactuspedia interface