Orbexilum

Orbexilum, commonly called leather-root,[1] is a genus of flowering plants in the legume family (Fabaceae). They are native to North America, where they are found in the United States and Mexico, south to Chiapas.[2]

Orbexilum
Orbexilum pedunculatum
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Rosids
Order:
Fabales
Family:
Fabaceae
Subfamily:
Faboideae
Tribe:
Psoraleeae
Genus:
Orbexilum

Raf. 1832
Species

See text.

This genus can be distinguished from other genera in the Psoraleeae by its "thick glabrous pod walls that are distinctively rugose and by [a] calyx that is scarcely accrescent."[3]

Species

Orbexilum comprises the following species:[3]

  • Orbexilum chiapasanum B.L. Turner 2007
  • Orbexilum gracile (Torr. & A. Gray) B.L. Turner 2008
  • Orbexilum lupinellum (Michx.) Isely 1986
  • Orbexilum macrophyllum (Rowlee) Rydb. 1919
  • Orbexilum melanocarpum (Benth.) Rydb. 1919
  • Orbexilum oliganthum (Brandegee) B.L. Turner 2007
  • Orbexilum onobrychis (Nutt.) Rydb. 1919
  • Orbexilum pedunculatum (Mill.) Rydb. 1919
  • Orbexilum simplex (Nutt. ex Torr. & A. Gray) Rydb. 1919
  • Orbexilum stipulatum (Torr. & A. Gray) Rydb. 1919
  • Orbexilum virgatum (Nutt.) Rydb. 1919
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References
  1. "Orbexilum". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 25 July 2015.
  2. Alan Weakley (2015). "Flora of the Southern and Mid-Atlantic States".
  3. Turner BL. (2008). "Revision of the genus Orbexilum (Fabaceae: Psoraleeae)" (PDF). Lundellia. 11: 1–7.


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