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 imbricata (H. Haworth) F. M. Knuth (1930)
 
Habitat - Rincon Mountains,
Pima County, Arizona, USA
       
Highslide JS   Highslide JS   Highslide JS
         
Highslide JS   Highslide JS   Highslide JS
         
DJF1575 - Delhi,
Las Animas County, Colorado, USA
       
Highslide JS   Highslide JS   Highslide JS
         

Field number

DJF1575 - collected by David J. Ferguson

Habitat

USA
Arizona, Colorado, New Mexico, Oklahoma, Kansas, Texas
Mexico
Chihuahua, Coahuila
in 2000–6000 ft (600–1800 m) altitude

Description

imbricate Cylindropuntia
small tree or thicket-forming, up to more than 10 ft (3 m) high, trunk wooden, branches slant upward,
shoots up to 1.2 in (3 cm) Ø, with distinct tubercles
tubercles about 1 in (2.5 cm) long, sidewise flattened
8–30 spines, to 1.2 in (3 cm) long, brown, thin sheath
flowers 1.5–2.3 in (4–6 cm) long, crimson, on the ends of the shoot
fruits to 1.2 in (3 cm) long, bare, yellow

Comment

Cylindropuntia imbricata is with rain protection to about -4 F (- 20°C) cold hardy.
Synonym Cereus imbricatus H. Haworth (1821)
Opuntia imbricata
(H. Haworth) A. P. De Candolle (1828)
Cactus imbricatus
(H. Haworth) C. Lemaire (1828)
CITES Appendix II
 
Description of "Kakteen von A bis Z" by Walter Haage with courtesy by Kakteen-Haage made available.

 

 

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