Opuntia polyacantha var. hystricina

(Engelmann & J. M. Bigelow) B. D. Parfitt

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
Treatment appears in FNA Volume 4. Treatment on page 148. Mentioned on page 147.

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


V4 287-distribution-map.gif

Ariz., Calif., Colo., Nev., N.Mex., Utah.


Selected References


Lower Taxa

Donald J. Pinkava +
(Engelmann & J. M. Bigelow) B. D. Parfitt +
Opuntia hystricina +
Porcupine pricklypear +
Ariz. +, Calif. +, Colo. +, Nev. +, N.Mex. +  and Utah. +
1300-1900(-2400) m +
Grasslands, pinyon-juniper woodlands, clay or limestone soils +
Flowering late spring. +
Cact. Succ. J. (Los Angeles) +
Illustrated +
Opuntia erinacea var. hystricina +, Opuntia erinacea var. rhodantha +, Opuntia erinacea var. xanthostemma +, Opuntia rhodantha +  and Opuntia xanthostemma +
Opuntia polyacantha var. hystricina +
Opuntia polyacantha +
variety +