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 |
 |
| |
|
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 |
| |
|
| Escobaria vivipara (Nutall) Buxbaum (1951) |
| |
Habitat |
Canada
Alberta, Saskatchewan, Manitoba
USA
Kansas to the north of Texas
in 1500–2400 m (4920–7874 ft) altitude
|
Description |
viviparous Escobaria, sprouting Escobaria
3 cm (1.2 in) high, 5 cm (2 in) Ø, forming clusters
about 16 radial spines, white or brown
1–4 central spines, to 2 cm (0.7 in) long, brown or blotchy
flowers 3.5 cm (1.4 in)
Ø, purple-pink, stamens red,
style white or pink with pale yellow or pink stigma
|
| Comment |
Escobaria vivipara is with rain protection to about - 20°C (-4°F) winter-hard |
| 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 |
↑
|
 |
|
