Thelocactus fossulatus JAPAN FORM

	Thelocactus fossulatus JAPAN FORM (Long spined) (Syn: Thelocactus exaedrophorus v. fossulatus)	CACTUS ART NURSERY Cultivation and Mail Sale of Cacti and Succulents.

Thelocactus exaedrophorus var. fossulatus (JAPANESE SELECTION)
This is one of the rarest and beautiful Thelocactus cultivars from Japan rarely seen in the collections.

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.

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.

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: Taxon 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)

Even the young seedlings may be immediately distinguished from the other Thelocacti from the very strong, long and colourful spines.

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