Opuntia basilaris var. treleasei
in L. H. Bailey, Cycl. Amer. Hort. 3: 1147. 1901.
Common names: Kern beavertail pricklypear Trelease’s beavertail pricklypear
EndemicConservation concern
Basionym: Opuntia treleasei J. M. Coulter Contr. U.S. Natl. Herb. 3: 434. 1896 (as treleasii)
Stem segments erect, flattened, obovate, 9–20 × 5–7.5 cm; areoles 7–8 per diagonal row across midstem segment, circular. Spines 2–8 per areole, usually in distal areoles, spreading, yellow, straight, acicular, terete, 5–25 mm. Fruits with few, pale yellow spines. 2n = 33.
Phenology: Flowering spring (Mar–Apr).
Habitat: Grasslands
Elevation: 100-200 m
Discussion
Opuntia basilaris var. treleasei is in the Center for Plant Conservation’s National Collection of Endangered Plants.
of conservation concern
Selected References
None.
Lower Taxa
None.