Strombocactus pulcherrimus

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Strombocactus pulcherrimus Halda
Cactaceae etc. 6(3): 88-91. 1996; cf. Repert. Pl. Succ. (I.O.S.) 47: 12 (1996 publ. 1997).
Family: CACTACEAE

Accepted Scientific Name: Strombocactus disciformis subs. esperanzae Glass & S.Arias
Brit. Cact. Succ. J. 14(4): 202 (1996)

Strombocactus pulcherrimus (Strombocactus disciformis subs. esperanzae) Photo by: Prof. Ilham Alakbarov

Origin and Habitat: Mun. Xichu: Sierra Gorda, Guanajuato (Mexico, Northern America)
Habitat: This plant grows in rock crevices in nearly vertical limestone cliffs along with Turbinicarpus alonsoiSN|11705]]SN|11705]]

Synonyms:

Strombocactus disciformis subs. esperanzae Glass & S.Arias

Ariocarpus pulcherrimus (Halda) Halda
Pediocactus pulcherrimus (Halda) Halda
Strombocactus disciformis var. esperanzae (Glass & S.Arias) Don Pedro & Říha
Strombocactus pulcherrimus Halda

See all synonyms of Strombocactus disciformis

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Accepted name in llifle Database:
Strombocactus disciformis (DC.) Britton & Rose
Cactaceae (Britton & Rose) 3: 106. 1922 [12 Oct 1922]
Synonymy: 14

Strombocactus disciformis (DC.) Britton & Rose

Anhalonium turbiniforme (Pfeiff.) F.A.C.Weber in Bois
Ariocarpus disciformis (DC.) W.T.Marshall
Cactus disciformis Kuntze
Cactus turbinatus Kuntze
Echinocactus disciformis (DC.) K.Schum. in Engl. & Prantl
Echinocactus turbiniformis Pfeiff.
Echinofossulocactus turbiniformis Lawr. in Loudon
Mammillaria disciformis DC.
Mammillaria turbinata Hook. in Curtis
Pediocactus disciformis (DC.) Halda
Strombocactus turbiniformis (Pfeiff.) Frič

Strombocactus disciformis var. seidelii (Frič) K.Crkal

Strombocactus turbiniformis var. seidelii Frič

Accepted name in llifle Database:
Strombocactus disciformis f. cristatus hort.

Accepted name in llifle Database:
Strombocactus disciformis subs. esperanzae Glass & S.Arias
Brit. Cact. Succ. J. 14(4): 202 (1996)
Synonymy: 5

Strombocactus disciformis subs. esperanzae Glass & S.Arias

Ariocarpus pulcherrimus (Halda) Halda
Pediocactus pulcherrimus (Halda) Halda
Strombocactus disciformis var. esperanzae (Glass & S.Arias) Don Pedro & Říha
Strombocactus pulcherrimus Halda

Accepted name in llifle Database:
Strombocactus disciformis subs. jarmilae (Halda) Halda
Acta Mus. Richnov., Sect. Nat. 4(2): 71 (1997)
Synonymy: 5

Strombocactus disciformis subs. jarmilae (Halda) Halda

Ariocarpus disciformis subs. jarmilae (Halda) Halda
Pediocactus jarmilae (Halda) Halda
Strombocactus disciformis f. minimus Don Pedro & Říha
Strombocactus jarmilae Halda

Accepted name in llifle Database:
Strombocactus disciformis f. polytomicous hort.

Cultivars (2):

Strombocactus disciformis f. caespitosus hort.

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Description: This plant is very similar if not identical to Strombocactus disciformisSN|2103]]SN|2103]] the only noticeable difference is the colour of the flowers.
Habit: It is a rare geophyte, usually solitary.
Stems: The body is flattened or spherical up to 3 cm tall, 8 cm in diameter. The crown is slightly depressed and felted. The colour is blue-green with greyish tinge. It is composed of hard, spirally arranged rhomboid and imbricate tubercles, 1 to 1.8 cm high. These tubercules are flattened and almost truncated above and somewhat horny or keeled below.
Roots: Strong napiform (turnip-like).
Spines: 4 to 5, erect and dark grey at the tips and pale grey at the base, 1.2 to 2 cm long.
Flowers: Arise on the crown, measure about 3.5 cm in length and breadth bright magenta.
Blossoming time: flowers emerge early in spring and are freely produced throughout the summer, remaining open for several days.
Note: Some botanists believe that a specific rank for this taxon is not necessary.

Subspecies, varieties, forms and cultivars of plants belonging to the Strombocactus disciformis group

Strombocactus disciformis (DC.) Britton & Rose: the stem is flattened or spherical, blue-green with greyish tinge 3 to 8 cm high and 3 to 9 cm across. It is composed of hard, spirally arranged rhomboid tubercles that are flattened and almost truncated above.
Strombocactus disciformis f. cristatus hort.: Crested form.
Strombocactus disciformis subs. esperanzae Glass & S.Arias: (= S. pulcherrimus) is very similar to S. disciformis the only noticeable difference is the colour of the flowers that are bright magenta.
Strombocactus disciformis subs. jarmilae (Halda) Halda: like S. disciformis but with a smaller body, small flowers, long thin spines and some other minor differences. Distribution: Northern Mexico (Querétaro and Nuevo León)
Strombocactus disciformis f. polytomicous hort.: Polytomy is a form of cristation, an apex divided in a lot of smaller apexes. It is very unusual to see such a Strombocactus.
Strombocactus disciformis cv. Cactus Art: odd monstrous plant forming crowded clumps or mounds, and most plants will crest readily. Areoles felt-like in relief 2-4 mm broad, greenish at the stems apex when young. Spines mumerous very short bristle-like.
Strombocactus disciformis cv. Cespitosa: This is a strange plant that forms lots of axillary shoots in a continuous series on almost each node starting from the base of the stem, while the typical Strombocactus disciformis is usually solitary.

Strombocactus pulcherrimus (Strombocactus disciformis subs. esperanzae) Photo by: Prof. Ilham Alakbarov

Strombocactus pulcherrimus (Strombocactus disciformis subs. esperanzae) Photo by: Cactus Art

Strombocactus pulcherrimus (Strombocactus disciformis subs. esperanzae) Photo by: Cactus Art

Strombocactus pulcherrimus (Strombocactus disciformis subs. esperanzae) Photo by: Cactus Art

Strombocactus pulcherrimus (Strombocactus disciformis subs. esperanzae) Photo by: Cactus Art

Strombocactus pulcherrimus (Strombocactus disciformis subs. esperanzae) Photo by: Valentino Vallicelli

Cultivation and Propagation: This plant has the same needs of the standard S. disciformis.
Propagation: Seed, At first seedlings are very very small, they take one or two years to reach the diameter of 1 mm!!! Once they have reached 4 years old or more they are relatively easy to grow - the problem is getting them to 4 years old!

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by Valentino Vallicelli

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Cite this page: "Strombocactus pulcherrimus" Text available under a CC-BY-SA Creative Commons Attribution License. www.llifle.com 14 Nov. 2005. 23 Feb 2025. </Encyclopedia/CACTI/Family/Cactaceae/12844/Strombocactus_pulcherrimus>