Orbexilum lupinellus

Orbexilum lupinellus
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Genus: Orbexilum
Species:
O. lupinellus
Binomial name
Orbexilum lupinellus
(Michx.) Isely[1]

Orbexilum lupinellus (commonly known as Piedmont leather-root, lupine scurfpea, or lupine leather-root) is a perennial herb that can be found in the south-eastern United States.[1][2]

Description

Orbexilum lupinellus possesses stems that reach a height between 25 and 30 cm (10 and 12 in).[3] The leaves are palmately dissected into 5 to 7 leaflets. The leaflets are linear to oblanceolate in shape, and reach a length between 2 and 7 cm (0.8 and 2.8 in) with a width of 0.5 and 2 mm (0.02 and 0.08 in).[2]

Distribution and habitat

Within the United States O. lupinellus can be found in the southeastern Coastal Plain, ranging from southern North Carolina to central Florida, Georgia, and Alabama. It is also native to Mexico.[2][4]

This species has been observed in habitats such as in longleaf pine sandhills.[5]

References

  1. ^ a b "Orbexilum lupinellus (Michx.) Isely". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2025-09-26.
  2. ^ a b c Weakley, Alan S. (October 20, 2020). Flora of the Southeastern United States. Chapel Hill, North Carolina: University of North Carolina at Chapel Hill.
  3. ^ "Vascular Plants of North Carolina". auth1.dpr.ncparks.gov. Retrieved 2025-09-25.
  4. ^ "NatureServe Explorer 2.0". explorer.natureserve.org. Retrieved 2025-09-25.
  5. ^ "Orbexilum lupinellus (Lupine Scurfpea) - FSUS". fsus.ncbg.unc.edu. Retrieved 2025-09-25.