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 minima (Braid) D. R. Hunt (1978) |
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Habitat |
USA
Texas - Brewster County, south of Marathon
in 1200 m (3937 ft) altitude
Mexico
Coahuila
desert grass land between lime rocks
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Description |
smallest Escobaria
very small, only to 4.5 cm (1.8 in) long, clumping, form clusters
ribs in 8–14 rows
tubercles only 2 mm long
about 18 radial spines, the longest to 1 cm (0.39 in) long, spreaded to all sides,
erectly, spines small, thick, ash-gray to yellowish and reddish, white, honey-yellow or darker
central spine absent
flowers only to 1.5 cm (0.6 in) Ø, pink-purple, petals with lashes
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| Synonyms |
Coryphantha minima Braid (1931)
Escobesseya minima (Braid) Hester (1945) (nom. inval.)
including
Coryphantha nelliae Croizat (1934)
Escobaria nelliae (Croizat) Backeberg (1961)
Mammillaria nelliae (Croizat) Weniger (1970) (nom. inval.) |
| CITES |
Appendix II since 01.July1975; Appendix I since 29.July 1983 |
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