Orbexilum

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Orbexilum
Orbexilum pedunculatum.jpg
Orbexilum pedunculatum
Scientific classification e
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Tribe: Psoraleeae
Genus: Orbexilum
Raf.[1]
Species

See text

Orbexilum, commonly called leather-root,[2] 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.[3]

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."[4]

Taxonomy[]

The genus was described by Constantine Samuel Rafinesque in 1832, with the type species O. latifolia, moved from Psoralea.[5] (O. latifolia is now considered a synonym of O. onobrychis.[6]) Rafinesque differentiated Orbexilum from Psoralea largely on the basis of features of the calyx.[7]

Species[]

Orbexilum comprises the following species:[1][4]

  • B.L.Turner
  • (Michx.) Isely[note 1]
  • † (Rowlee) Rydb. – bigleaf scurfpea[8]
  • (Benth.) Rydb.
  • (Brandegee) B.L.Turner
  • Orbexilum onobrychis (Nutt.) Rydb.
  • Orbexilum pedunculatum (Mill.) Rydb.
  • (Walter) Vincent, syn. Orbexilum gracile (Torr. & A.Gray) B.L.Turner
  • Orbexilum simplex (Nutt. ex Torr. & A.Gray) Rydb.
  • †Orbexilum stipulatum (Torr. & A.Gray) Rydb.
  • (Nutt.) Rydb.

Notes[]

  1. ^ The specific epithet is sometimes incorrectly spelled lupinellum, but is a noun in apposition, so is correctly spelled lupinellus.[9]

References[]

  1. ^ a b "Orbexilum Raf.". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-06-14.
  2. ^ "Orbexilum". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 25 July 2015.
  3. ^ Alan Weakley (2015). "Flora of the Southern and Mid-Atlantic States".
  4. ^ a b Turner BL. (2008). "Revision of the genus Orbexilum (Fabaceae: Psoraleeae)" (PDF). Lundellia. 11: 1–7.
  5. ^ "Orbexilum". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew. 2021-06-14. Retrieved 2021-06-14.
  6. ^ "Orbexilum latifolia". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-06-14.
  7. ^ Rafinesque, C.S. (1832). "107. Twenty new genera of plants from the Oregon mountains, etc". Atlantic Journal, and Friend of Knowledge. 1 (3): 144–146. Retrieved 2021-06-14.
  8. ^ LeGrand, H; Sorrie, B (2021). "Account for Bigleaf Scurfpea". Vascular Plants of North Carolina. North Carolina Biodiversity Project and North Carolina State Parks. Retrieved May 26, 2021.
  9. ^ "Orbexilum lupinellus". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew. 2021-06-14. Retrieved 2021-06-14.

External links[]


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