Polanisia Explained

Polanisia is a genus of flowering plants in the family Cleomaceae. Members of the genus are commonly known as clammyweeds. Polanisia jamesii is listed as locally endangered in Minnesota, while P. dodecandra is widespread through much of North America.^[1]

Species

Five species are currently recognized in the genus:^[2]

• Polanisia dodecandra (L.) DC.  - redwhisker clammyweed
  • Polanisia dodecandra subsp. dodecandra
  • Polanisia dodecandra subsp. riograndensis H.H.Iltis
  • Polanisia dodecandra subsp. trachysperma (Torr. & A.Gray) H.H.Iltis
• Polanisia erosa (Nutt.) H.H.Iltis  - large clammyweed
• Polanisia jamesii (Torr. & A.Gray) H.H.Iltis  - James' clammyweed
• Polanisia tenuifolia Torr. & A.Gray  - slenderleaf clammyweed
• Polanisia uniglandulosa (Cav.) DC.  - Mexican clammyweed^[3]

Formerly placed here

• Arivela viscosa (L.) Raf. (as P. viscosa (L.) DC.)^[3]

Notes and References

1. Iltis, Hugh H. 1958. Studies in the Capparidaceae. IV. Polanisia Raf. Brittonia 10: 33-58.
2. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=126304 Flora of North America v 7 p 201
3. Web site: GRIN Species Records of Polanisia . Germplasm Resources Information Network . United States Department of Agriculture . 2011-02-01.