Copy permalink to share
Rutaceae
Zanthoxylum

Zanthoxylum Linnaeus. Common name: Prickly-ash, Toothache Tree.

Key to Zanthoxylum

A genus of about 225-250 species, trees, of America, Africa, Asia, and Australia. Classification of sections within the genus (shown in the key) follows Reynel (2017).

Glossary (beta)

References: Appelhans et al. (2018); Kubitzki (2011); Porter (1976); Reynel (2017); Skean (2024) In Flora of North America Editorial Committee (2024). Show full citations.

Show in key(s)

Show parent family | Show parent in key(s)

Show species in Zanthoxylum

Your browser does not support SVGs

Hover over a shape, letter, icon, or arrow on the map for definition or see the legend. Data for arrows not developed for genera and families which may have species only occurring outside the flora area.

image of plant© Gary P. Fleming | Zanthoxylum clava-herculis | Original Image ⭷
image of plant© Gary P. Fleming | Zanthoxylum americanum | Original Image ⭷
image of plant© Keith Bradley | Zanthoxylum spinosum | Original Image ⭷
image of plantno rights reserved, uploaded by Eric Schmidt | Zanthoxylum americanum source | Original Image ⭷
image of plant© Michelle W., some rights reserved (CC BY), uploaded by Michelle W. | Zanthoxylum hirsutum source | Original Image ⭷
image of plant© Lowell Urbatsch | Zanthoxylum clava-herculis | Original Image ⭷
image of plant© Alan M. Cressler | Zanthoxylum americanum | Original Image ⭷
image of plant© Keith Bradley | Zanthoxylum fagara | Original Image ⭷
image of plant© Gary P. Fleming | Zanthoxylum clava-herculis | Original Image ⭷

Feedback

See something missing or incorrect about Zanthoxylum? Let us know here:

  1. Please include your name and if possible, email in case when need to clarify what you wrote.
  2. If you opt out of including email, please be as specific as possible (e.g., which photo is incorrect?)
  3. Please do not submit questions asking to identify plants or about horticultural topics (e.g., how do I control an invasive plant in my garden?). Instead, those questions can be submitted here for the Carolinas region only.
  4. Please do not send us feedback about unkeyed species as this work is ongoing.
  5. Please allow time for flora edits to show in our next data release. We greatly appreciate your feedback but may require extra time to research complicated taxonomic issues.