Escobaria Britton & Rose (1923)

(Cochiseia, Escobesseya, Escocoryphantha, Fobea, Neobesseya)
named after the brothers Rómulo and Numa Escobar from Mexico City and Juárez, to honor their work,
tubercle cactus, globular to cylindrical, small, with a furrow on the tubercles, clumping
radial spines mostly bristly, white, yellow or with a dark tip
central spine absent or only somewhat stronger and darker
flowers small at the apex, white, yellow, pink or purple
fruits red; seeds black

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Distribution

USA
northern to central Mexico
warm arid areas

Growth period

full sun exposure and a warm location, the hottest and sunniest spot is the best, only then will they blooming
somewhat sensitive to too moisture, but constant slightly moisture, a watering rest in high summer is recommendable
keep the root neck dry
generate humidity by spraying in the evening hours

Winter period

dry and bright at a minimum of 39–50°F (4–10°C)

Soil-mixture

very permeable to water, minerally, gritty and gravelly
   
Escobaria vivipara (Nutall) Buxbaum (1951)
 
Habitat - Sulphur,
Murray County, Oklahoma, USA
       
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Habitat - Sweetwater,
Beckham
County, Oklahoma, USA

       
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Habitat

Canada
Alberta, Saskatchewan, Manitoba

USA
Kansas to the north of Texas
in 4900–7900 ft (1500–2400 m) altitude

Description

viviparous Escobaria, sprouting Escobaria
1.2 in (3 cm) high, 2 in (5 cm) Ø, forming clusters
about 16 radial spines, white or brown
1–4 central spines, to 0.8 in (2 cm) long, brown or spotted
flowers 1.4 in (3.5 cm) Ø, purple-pink, stamens red,
style white or pink with pale yellow or pink stigma
Comment Escobaria vivipara is with rain protection to about -4 F (- 20°C) cold hardy.
Synonyms Cactus vivipara Nuttall (1813)
Mammillaria vivipara
(Nuttall) Haworth (1819)
Echinocactus viviparus (Nuttall) Poselger (1853)
Mammillaria radiosa fa. vivipara (Nuttall) Schelle (1907) (incorrect name)
Coryphantha vivipara (Nuttall) Britton & Rose (1913)
CITES Appendix II
 
Description of "Kakteen von A bis Z" by Walter Haage with courtesy by Kakteen-Haage made available.

 

 

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