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Ancistrocactus (K. Schumann) Britton & Rose (1923)

(Greek "ancistron" = fishhook; Greek "kaktos" = thistle)
fishhook cactus
small, globular, in age elongated, with large turnip root, neck-shaped grown together with the stem
ribs complete in tubercles separated
areoles circular to oval, without glands
spines numerous, 1 central spine is hooked
flowers small, short tube-shaped, cream-colored, yellowish or pink

Highslide JS
 

Distribution

Northern Mexico and USA - Southern Texas
warm arid areas

Growth period

full sun and hot location
very light though somewhat shading is recommanded in spring, protection against possible burnings
plants of this genus are sensitive to moisture and lose their roots by rot!
keep it very dry exept the first two month after the winter rest
after the flowering time keep it again dryer and during the hottest part of the summer is a growth rest recommanded
only sparsely watering - only enough to prevent a shriveling

Winter period

light and dry at a minimum of 39°F (4°C)

Soil-mixture

minerally and very permeable to water, porous
addition of pumice and quartz gravel is recommanded
   
Ancistrocactus scheeri (Salm-Dyck) Britton & Rose (1923)
 
Highslide JS
  Highslide JS    
         

Habitat

USA
Southern Texas
Mexico
Coahuila, Nuevo León, Tamaulipas

Description

named after Friedrich Scheer
globular, later club-shaped elongated, more than 3.9 in (10 cm) high, more than 2.4 in (6 cm) Ø
ca. 13 ribs, separated in tubercles
spines black brown, white spotted
15–18 radial spines, spreading, white to straw-colored

3–4 central spines, 0.8–2 in (2–5 cm) long, the lowermost is the longest, hooked
flowers 1 in (2.5 cm) long, green yellow
fruits small, green, seeds brown

Flowering time

April–May in cultivation
4–5 years from seed

Synonyms

Echinocactus scheeri Salm-Dyck (1850)
Ferocactus scheeri
(Salm-Dyck) N. P. Taylor (1979)
Pediocactus scheeri (Salm-Dyck) Halda (1998)
Sclerocactus scheeri (Salm-Dyck) N. P. Taylor (1987)
CITES Appendix II
 
Description of "Kakteen von A bis Z" by Walter Haage with courtesy by Kakteen-Haage made available.

 

 

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