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Thelocactus exaedrophorus var. fossulatus (JAPANESE
SELECTION)
This is one of the rarest and beautiful Thelocactus cultivars
from Japan rarely seen in the collections.
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Description: Usually solitary, clustering only
after many years, from the base
Stem: Globoid blue-green up to 20 cm in diameter (or more)
Ribs: spiralling divided into fat, poligonal-rounded tubercles.
Spines: 1 red central spines and 4-6 reddish-gray-white radial
spines per areole They are thick, long and sharp of in length up to 6cm
long (or more) The brightness of the colouration depends on the clone.
The best spined specimen are very beautiful and sought after by cactus
impassionate.
Flowers: 10 cm in diameter white/cream or pale pink with
yellow throat and centers. Petals may have a darker pink midrib.
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Photo of conspecific taxa, varieties, forms and
cultivars of plants belonging to the
Thelocactus hexaedrophorus
complex:
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Family:
Cactaceae (Cactus
Family)
Conservation status: Listed in
CITES appendix 2. Thelocactus fossulatus (Scheidw.)
Britton & Rose
Pubblished in: The Cactaceae; descriptions and
illustrations of plants of the cactus family 4: 10, f. 9, 1923
Scientific name:
Thelocactus
hexaedrophorus (Lem.) Britton & Rose
Origin:
Japan,
Garden origin (Nursery
produced cultivar)
Synonyms:
- (Basionym)
Echinocactus fossulatus Scheidw
Pubblished im: Allg. Gartenz. 9: 49 (1841).
- Echinocactus hexaedrophorus var. fossulatus
Salm-Dyck ex Labouret, Pubblished in: Monogr.
Cact. 251 (1853).
- Thelocactus hexaedrophorus var. fossulatus Backeb.
Pubblished in: Die Cactaceae V: 2800 (1961)
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Even the young seedlings may be immediately distinguished from the other
Thelocacti from the very strong, long and colourful spines.
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 Cultivation: Easy to cultivate but very slow
growing. Water regularly from Spring to Autumn, but do not overwater
(root prone ) needs good drainage and very porous potting mix, In
Winter, keep dry.
Sun Exposure: Full sun to light shade
Reproduction: From seed, since the plant
rarely produces plantlets.
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