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
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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 asperispina (Boedeker) D. R. Hunt (1978) |
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Field number |
GL46 - collected by Gary Loos |
Habitat |
Mexico
Nuevo León -
San Juanita
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Description |
rough spiny Escobaria
globular, to 6 cm (2.3 in) Ø, dull dark blue-green
tubercles acuminate cone-shaped, loosely arranged
areoles white wooly, soon bare
9–10 radial spines, beams to all sides, later curved to the body,
gray-whitish, wooly rough
central spine mostly absent
flowers 2.5 cm (1 in)
Ø, pale greenish-yellow
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| Synonyms |
Coryphantha asperispina Boedeker (1929)
Neobesseya asperispina (Boedeker) Boedeker (1933)
Escobaria missouriensis var. asperispina (Boedeker) N. P. Taylor (1983)
Escobaria missouriensis ssp. asperispina (Boedeker) N. P. Taylor (1998) |
| CITES |
Appendix II |
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