Berberis swaseyi[3] (Texas barberry)[4] is a rare species of barberry endemic to the Edwards Plateau region of Texas. It grows in limestone ridges and canyons. The species is evergreen, with thick, rigid, 5-9-foliolate leaves. Berries are dry or juicy, white to red, about 9–16 mm in diam.[5][6]

Berberis swaseyi
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Ranunculales
Family: Berberidaceae
Genus: Berberis
B. swaseyi
Binomial name
Berberis swaseyi
Buckl. ex Young
  • Mahonia swaseyi (Buckley ex M.J. Young) Fedde
  • Odostemon swaseyi (Buckley ex M.J. Young) A. Heller

The compound leaves place this species in the group sometimes segregated as the genus Mahonia.[5][7][8][9]


  1. ^ Tropicos
  2. ^ The Plant List
  3. ^ M. J. Young, Flora of Texas 152. 1873.
  4. ^ "Mahonia swaseyi". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 28 June 2015.
  5. ^ a b Flora of North America, vol 3
  6. ^ Correll, D. S. & M. C. Johnston. 1970. Manual of the Vascular Plants of Texas i–xv, 1–1881. The University of Texas at Dallas, Richardson.
  7. ^ Loconte, H., & J. R. Estes. 1989. Phylogenetic systematics of Berberidaceae and Ranunculales (Magnoliidae). Systematic Botany 14:565-579.
  8. ^ Marroquín, Jorge S., & Joseph E. Laferrière. 1997. Transfer of specific and infraspecific taxa from Mahonia to Berberis. Journal of the Arizona-Nevada Academy of Science 30(1):53-55.
  9. ^ Laferrière, Joseph E. 1997. Transfer of specific and infraspecific taxa from Mahonia to Berberis. Bot. Zhurn. 82(9):96-99.