''Berberis swaseyi'' (Texas barberry) is a rare species of

barberry ''Berberis'' (), commonly known as barberry, is a large genus of deciduous and evergreen shrubs from tall, found throughout temperate and subtropical regions of the world (apart from Australia). Species diversity is greatest in South America a ...

endemic to the

Edwards Plateau The Edwards Plateau is a geographic region at the crossroads of Central Texas, Central, South Texas, South, and West Texas. It is bounded by the Balcones Fault to the south and east, the Llano Uplift and the Llano Estacado to the north, and the ...

region of

Texas Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2 ...

. 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. The compound leaves place this species in the group sometimes segregated as the genus ''

Mahonia ''Mahonia'' is a genus of approximately 70 species of evergreen shrubs and, rarely, small trees in the family Berberidaceae, native to eastern Asia, the Himalaya, North and Central America. They are closely related to the genus ''Berberis'' and ...

''.Flora of North America, vol 3
/ref>Laferrière, Joseph E. 1997. Transfer of specific and infraspecific taxa from Mahonia to Berberis. Bot. Zhurn. 82(9):96-99.

References

{{Taxonbar, from=Q16748810 swaseyi Endemic flora of Texas Plants described in 1873 Flora without expected TNC conservation status