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 arbuscula (Engelmann) F. M. Knuth (1930)
 
Highslide JS
  Highslide JS   Highslide JS
         

Habitat

USA
southern Arizona
Mexico
Sonora, Sinola
Sonoran Desert
in 100 bis 3000 ft (300–900 m) altitude

Description

densly branching tree or shrub, 2–10 ft (0.5–3 m) height, with short side branches,
shoots green with purple tint, 2.4–4.1 in (6–10.5 cm) long, 0.2–0.5 in (0.5–1.3 cm) Ø,
with narrow indistinct tubercles
areoles circular, with tawny to brown wool

glochids light yellow
0–3 spines, scattered along the segments, strong, usually bent downward,
yellow to reddish brown, in age turn black, 0.3–2 in (0.8–5 cm) long,
sheaths are slack, yellowish brown
flowers dark bronze colored to orange bronze colored, 0.7–0.8 in (1.7–2 cm) long

fruits fleshy, spineless, green to yellow, 1–2 in (2.5–5 cm) long, 0.6–1.4 in (1.5–3.5 cm)
Ø

Synonyms

Opuntia arbuscula Engelmann (1856)
CITES Appendix II
 
 

 

 

www.Kakteensammlung-Holzheu.de