University of Illinois Home Contact
UI Plants Woody Ornamentals
Advanced Search
ResourcesLinks
 Botanical Terminology Tutorial
Leaf Arrangement
Venation
Leaf Shape
Leaf Margin
Leaf Apex
Leaf Base
Take a Quiz

 

Leaf Apices: Acute
Click on the image for a larger view of the photo.
Click on the name for detailed information on the plant.

Enlarge Photo
Common Periwinkle
(Vinca minor)

Enlarge Photo
River Birch
(Betula nigra)

Enlarge Photo
Hesse European Ash
(Fraxinus excelsior 'Hessei')

 

 

Acute Leaf Apex

An angle that is less than 90º with straight lines and having a point. The term acute is most often applied to apices, but it is sometimes used for bases where it refers to a wider base than cuneate.

Botanical Terminology > Leaf Apices > Acute  

 

2005 Gary J. Kling and Laura L. Hayden, University of Illinois at Urbana-Champaign.
External sites are not endorsed by the University of Illinois.

Notes about this tutorial.