Cylindropuntia (G. Engelmann) F. Knuth (1930)

(Latin "cylindrus" = cylinder; and after the genus Opuntia)
because of the relationship and the cylindric shoots
in this genus are all species from north- and central America,
all south american species are together in Austrocylindropuntia

prickly pear, ± large, branched, erect or also procumbent
ribs absent, distinct tubercles, spines numerous, brown, reddish or yellow,
with sheaths, occasionally only rudimentary, glochids existing
flowers appear at the whole branch, red, yellow or multi colored
fruits with spines, partly proliferated

Highslide JS
 

Distribution

southwest and south of USA
Mexico to south up to Mexico City
Hispaniola, West Indian Islands
warm steppes

Growth period

sunny and warm location partly outdoor during the summer
requires full sun exposure and UV radiation for a good growth and strong spines
sufficient watering

Winter period

bright and temperatures at 8–12°C (46–53°F)

Soil-mixture

minerally, nutrient-rich, porous, with a addition of clay
   
Cylindropuntia whipplei (G. Engelmann & J. M. Bigelow) F. M. Knuth (1936)
 
Highslide JS
  Highslide JS   Highslide JS
         

Habitat

USA
Utah, Colorado, Arizona, New Mexico
upper desert, grasslands, forrests, sagebrush desert,
jaw forrest

Description

named after Mr. Whipple
short stems, strong branched, shoots 0.4–0.7 in (1–2 cm) Ø
longish areoles, light brown
glochids pale yellow
flowers 0.8 in (2 cm)
Ø, light yellow, yellow to greenish yellow,
fruits to 1.6 in (4 cm) long, strong tubercular, without spines

Comment

Cylindrpuntia whipplei is with rain protection to about -4 F (- 20°C) cold hardy.

Synonyms

Opuntia whipplei G. Engelmann & J. M. Bigelow (1856)
CITES Appendix II
 
Description of "Kakteen von A bis Z" by Walter Haage with courtesy by Kakteen-Haage made available.

 

 

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