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 tuberculosa (Engelmann) Britton & Rose (1923)
 
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Habitat

USA
Texas, New Mexico

Mexico
Chihuahua, Durango, Coahuila, Nuevo León

Description

tubercled Escobaria
stems to 7.1 in (18 cm) high, to 2.4 in (6 cm) Ø, cylindrical
tubercles only 6 mm long
20–30 radial spines, 0.2–0.6 in (0.4–1.5 cm) long, white
5–9 central spines, somewhat longer and stronger, white, become brown to the tip, tip black
flowers 1 in (2.5 cm) Ø, pink, sepals violet pink
fruits to 0.8 in (2 cm) long, carmine

Flowering time June–July in cultivation
3–4 years from seed
Synonyms Mammillaria tuberculosa Engelmann (1856)
Coryphantha tuberculosa
(Engelmann) A. Berger (1929)
CITES Appendix II
 
Description of "Kakteen von A bis Z" by Walter Haage with courtesy by Kakteen-Haage made available.

 

 

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