Escobaria Britton & Rose (1923)
named after the brothers Rómulo and Numa Escobar from Mexico City and Juárez,
to honor of 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 crown, 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 and warm location, the hottest and sunniest spot is the best, only then they blooming
somewhat sensitive against moisture but constant slightly moisture, with a watering rest in high summer is necessary
keep the root neck dry
by spraying to cater for air moisture |
Winter period |
dry and bright at minimum 4–10°C (39–50°F) |
Substrat |
very porous to water, minerally, gritty with addition of somewhat loam |
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| Escobaria tuberculosa (Engelmann) Britton & Rose (1923) |
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Habitat |
USA
Texas, New Mexico
Mexico
Chihuahua, Durango, Coahuila, Nuevo León
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Description |
tubercle Escobaria
stems to 7.1 in (18 cm) high, to 2.4 in (6 cm) Ø, cylindrical
tubercles only 0.2 in (0.6 cm) 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, get 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
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| Flowering time |
June–July in cultivation
3–4 years from seed
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| Synonyms |
Mammillaria tuberculosa Engelmann (1856)
Coryphantha tuberculosa (Engelmann) A. Berger (1929) |
| CITES |
Appendix II |
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