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Forming tiny clusters of brown spined stems. Flowers are
flesh coloured.
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Description:
Small caespitose cactus thickly covered with small, weak, spines
that form low clumps.
Stem: The individual stems are globose
to short-cylindric, about 5 cm hight.
Tubercles: Conic, axil naked.
Roots:
Fibrous.
Radial spines: 20-25 whitish-gray to pale orange-brownish
Central spines: 6-8, setaceous, white with brown or black tips.
Flowers: Brownish-yellow, pink or flesh coloured, 3cm long.
Fruit: Small elongate, red.
Blooming season: Early April-May.
The Escobaria emskoetteriana
complex (E. emskoetteriana,
E. muehlbaueriana, E. runyonii) comprises many different forms.
Cultivation: It comes
from an area of
summer
rainfall;
keep
drier in
winter (but for
outdoors cultivation it is very resistant to wet conditions,
too). Very cold resistant. It
can easily be grown
outdoors in areas with
minimum winter temperatures of - 5° (or less). Needs
full sun to light shade.
Propagation: Seeds (no
dormancy requirement, they
germinate best at 25°C) or usually by
offsets (readily
available),
or occasionally
grafted.
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Family:
Cactaceae (Cactus
Family)
Escobaria runyonii Britton & Rose
Scientific Name:
Escobaria emskoetteriana (Quehl) Borg
Monatsschr. Kakteenk. 20:139. 1910
Common Names include: Junior Tom Thumb cactus.
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Distribution:
USA (western Texas), Mexico (Coahuila, Tamaulipas)
Conservation status: Listed in
CITES appendix II.
Synonyms:
- Coryphantha emskoetteriana
- Mammillaria emskoetteriana
- Escobaria runyonii Britton & Rose
- Escobaria bella Britton & Rose
- Coryphantha bella
- Mammillaria bella (Britton & Rose) D. Weniger, nom. nud.
- Coryphantha robertii A. Berger
- Mammillaria robertii (A. Berger) D. Weniger, nom. nud.
- Escobaria muehlbaueriana
- Neobesseya muehlbaueriana
- Coryphantha muehlbaueriana
- Coryphantha piercei
- Mammillaria escobaria
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