Opuntia basilaris var. treleasei

(J. M. Coulter) J. M. Coulter ex Toumey in L. H. Bailey

in L. H. Bailey, Cycl. Amer. Hort. 3: 1147. 1901.

Common names: Kern beavertail pricklypear Trelease’s beavertail pricklypear
Basionym: Opuntia treleasei J. M. Coulter Contr. U.S. Natl. Herb. 3: 434. 1896 (as treleasii)
Treatment appears in FNA Volume 4. Treatment on page 144. Mentioned on page 143.
Revision as of 22:22, 16 December 2019 by FNA>Volume Importer

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.
Donald J. Pinkava +
(J. M. Coulter) J. M. Coulter ex Toumey in L. H. Bailey +
Opuntia treleasei +
Kern beavertail pricklypear +  and Trelease’s beavertail pricklypear +
100-200 m +
Grasslands +
Flowering spring (Mar–Apr). +
in L. H. Bailey, Cycl. Amer. Hort. +
Illustrated +
Opuntia basilaris var. treleasei +
Opuntia basilaris +
variety +