Opuntia polyacantha var. nicholii

(L. D. Benson) B. D. Parfitt

Cact. Succ. J. (Los Angeles) 70: 188. 1998.

Common names: Navajo Bridge pricklypear
Basionym: Opuntia nicholii L. D. Benson Cacti Arizona ed. 2, 48. 1950
Synonyms: Opuntia hystricina var. nicholii (L. D. Benson) Backe berg
Treatment appears in FNA Volume 4. Treatment on page 147.
Revision as of 22:22, 16 December 2019 by FNA>Volume Importer

Stem segments narrowly to broadly obovate, 10–27 × 7–18 cm; areoles 8–11 per diagonal row across midstem segment, 12–30 mm apart. Spines in most areoles, of 2 kinds: major spines 1–5 per areole, down curved, ascending near stem segment apex, pink-gray or basal 2/3 brown to black, the longest 45–150 mm; minor spines 3–8 per areole, deflexed, white to gray, 60–220 cm (spine clusters easily detached in preparing specimens). Fruits stout; areoles 18–24, most bearing 3–12 spines, 8–17 mm. 2n = 66.


Phenology: Flowering spring.
Habitat: Barren areas with saltbush and ephedra, limestone or red, sandy soils
Elevation: 1200-1300 m

Discussion

Selected References

None.

Lower Taxa

None.
Donald J. Pinkava +
(L. D. Benson) B. D. Parfitt +
Opuntia nicholii +
Navajo Bridge pricklypear +
Ariz. +  and Utah. +
1200-1300 m +
Barren areas with saltbush and ephedra, limestone or red, sandy soils +
Flowering spring. +
Cact. Succ. J. (Los Angeles) +
Opuntia hystricina var. nicholii +
Opuntia polyacantha var. nicholii +
Opuntia polyacantha +
variety +