Mediolobivia Backeberg (1942)
between Lobivia and Rebutia placed "middle" Lobivia
dwarf cactus, globular, usually though cylindrical, branching, stem elongated to a turnip root
ribs strong divided or seperate into short roundish tubercles
spines usually a few, tiny, like bristles
flowers funnel form, in red and yellow tinge, with hairs and bristles on the outside
fruits small with a thin skin; seeds black |
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Distribution |
higher mountains in Bolivia and north Argentina |
Growth period |
sunny to partly shady, airy and not to high temperatures
a open-air location is without any shelter possible
in spring only somewhat mist and after clear visible buds start watering,
later somewhat more moisture especially at high temperatures |
Winter period |
light, cold and dry at 43–50°F (6–10°C) |
Substrat |
with addition of humus, not to nutritious
addition of crushed bricks or gravel |
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| Mediolobivia diersiana (Rausch) Rausch (1975) |
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Field number |
WR631 - collected by Walther Rausch |
Habitat |
Bolivia
Chuquisaca - Yuquina, Culpina
in 10500 ft (3200 m) altitude
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Description |
named after Prof. Dr. Diers, Cologne, Germany
dwarf, short cylindrical, 1.2 in (3 cm) high, 0.8 in (2 cm) Ø, light green, with a turnip root
10–11 ribs, straight to slightly twisted, seperate in low tubercles
areoles white to light brown felted
11 radial spines, to 2 mm long, pectinate adjacent, glassy white
central spine is absent
flowers sidewise, light yellow to golden yellow, throat white, style sparsely connate,
greenish white, 5–6 stigma, greenish
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Flowering time |
May–June in cultivation
November–January in habitat
2–3 years from seed
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| Synonyms |
Rebutia diersiana Rausch (1975)
Digitorebutia diersiana (Rausch) Rausch (1987) (nom. inval.)
Lobivia pygmaea var. diersiana (Rausch) Rausch (1987)
Rebutia pygmaea var. diersiana (Rausch) Lodé (1992)
Rebutia pygmaea (R. E. Fries) Britton & Rose (1922) |
| CITES |
Appendix II |
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