Difference between revisions of "Opuntia polyacantha var. hystricina"
Cact. Succ. J. (Los Angeles) 70: 188. 1998.
Common names: Porcupine pricklypear
Basionym: Opuntia hystricina Engelmann & J. M. Bigelow Proc. Amer. Acad. Arts 3: 299. 1856
Synonyms: Opuntia erinacea var. hystricina (Engelmann & J. M. Bigelow) L. D. Benson Opuntia erinacea var. rhodantha (K. Schumann) L. D. Be nson Opuntia erinacea var. xanthostemma (K. Schumann) L. D. Benson Opuntia rhodantha Opuntia xanthostemma
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|subfamily=Cactaceae subfam. Opuntioideae | |subfamily=Cactaceae subfam. Opuntioideae | ||
|genus=Opuntia | |genus=Opuntia | ||
Latest revision as of 21:57, 5 November 2020
Stem segments obovate, 8–10 × 5–8 cm; areoles (6–)8–10 per diagonal row across midstem segment, 10–17 mm apart. Spines in most areoles, grading in size and orientation; longer spines (1–)2–6 per areole, slightly descending porrect, ascending near apex, (yellow-gray to) brown to black, (40–)50–80 mm; smaller spines 4–6 per areole, reflexed, gray-white. Fruits stout; areoles 11–21, bearing 4–8 spines, 4–18 mm. 2n = 44, 66.
Phenology: Flowering late spring.
Habitat: Grasslands, pinyon-juniper woodlands, clay or limestone soils
Elevation: 1300-1900(-2400) m
Distribution
Ariz., Calif., Colo., Nev., N.Mex., Utah.
Discussion
Selected References
None.
Lower Taxa
None.