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Coryphantha borwigii Higueras
Usually solitary, occasionally bluish, 5-10 cm tall , diameter up
to 5-8 cm.
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Description: Usually solitary, but quite variable in habit.
Stem: Globose, ovoid, or short cylindrical dark green to pale
blue grey, 5-10 cm tall, 5-8 cm in diameter.
Tubercles: Conical, rhomboid basally, very firm, more or less
erect, often imbricate, up to 20 mm long.
Spines: C. borwigii pass several
stages of development in which their appearance changes very much:
after several years of purely radial spination one single
porrect central dull white, brown or blackish up to 15 mm long,
curved downwards, appears and with the appearance of the upper 2-3,
slightly protruding
centrals curved to the sides.
Radial spines: Equal at first up to 18 mm long, as the the plant
ages develops two types of
radial spines, lower radiant, stiff, horn-coloured and upper,
thinner, flexible in a bundle.
Flowers: Large ( 4-7 cm in diameter) glossy yellow , they have
red filaments and a red centre.
Fruit: Green, 15-20 mm long.
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C. borwigii (C. salinensis) juvenile stage pure
radial spines.
It passes several
stages of development in which its appearance changes very much, for
many years it has only pure radial spines.
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Family:
Cactaceae (Cactus
Family)
Coryphantha borwigii J.A.Purpus ex A.Berger (nomen nudum)
In: Kakteen 272, 1929
[Coryphantha borwigii sensu
Bremer 1980 ]
Accepted
Scientific name: Coryphantha salinensis (Poselg.)
A.D.Zimmermann ex R.F.Dicht & A.D.Lüthy1998
Origin: Large area of Mexico (Chihuahua,
Durango and Coahuila to Nuevo León)
Synonyms:
- Coryphantha delaetiana (Quehl) A.
Berger
In: Kakteen 270, 1929
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Cultivation: Small growing and easy to to
care in
normal
cactus compost and very willing to flower,
Because of it’s small size makes a great potted plant specimen,
great for beginning collectors,
water sparingly and allow to dry between watering, needs good
drainage. Watering should be curtailed during the winter months. Full
sun but is tolerant and prefers light shade during the hot Summer
months. And
provide very good
ventilation. Frost Tolerance: Hardy to -
5°C if kept dry.
Propagation: Seeds (usually) or by the
shoots of adult plants (if available).
Photo of
conspecific taxa, varieties, forms and cultivars
of plants
belonging to the
Coryphantha delaetiana
complex (This
Taxon has lots of synonyms whit
several controversial varieties and subspecies and comprises a multitude
of different forms):
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