Mammillaria compressa cv. Yokan

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Since 4 Aug 2013

Mammillaria compressa cv. Yokan

Family: CACTACEAE

Mammillaria compressa cv. Yokan Photo by: Valentino Vallicelli
Tiny plant that produces small tangled crests. Easy to grow on its own roots.

Origin and Habitat: The origin of this nursery produced cultivar is unknown, it was previously known as "Mammillaria sp. forma mostruosa forma cristata".

Synonyms:

Mammillaria compressa cv. Yokan

See all synonyms of Mammillaria compressa

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Accepted name in llifle Database:
Mammillaria compressa DC.
Mém. Mus. Hist. Nat. xvii. (1828) 112.
Synonymy: 27

Mammillaria compressa DC.

Cactus compressus (DC.) Kuntze
Mammillaria angularis var. compressa (DC.) K.Schum.
Mammillaria angularis f. compressa (DC.) Schelle
Neomammillaria compressa (DC.) Britton & Rose

Mammillaria compressa f. bernalensis (Repp.)

Mammillaria bernalensis Repp.

Mammillaria compressa var. fulvispina (K.Schum.) Borg

Mammillaria angularis var. fulvispina K.Schum.
Mammillaria angularis f. fulvispina (K.Schum.) Schelle

Mammillaria compressa var. longiseta (Muehlenpf.) Borg

Cactus longisetus (Muehlenpf.) Kuntze
Mammillaria angularis var. longiseta (Muehlenpf.) Salm-Dyck ex K.Schum.
Mammillaria angularis f. longiseta
Mammillaria cirrhifera var. longiseta (Muehlenpf.) Salm-Dyck
Mammillaria longiseta Muehlenpf.

Mammillaria compressa var. rubrispina Borg
Mammillaria compressa var. triacantha (DC.) Borg

Mammillaria triacantha DC.

Neomammillaria tolimensis (R.T.Craig) Y.Itô

Mammillaria tolimensis var. brevispina R.T.Craig

Neomammillaria tolimensis var. brevispina (R.T.Craig) Y.Itô

Mammillaria tolimensis var. longispina R.T.Craig
Mammillaria tolimensis var. subuncinata R.T.Craig

Accepted name in llifle Database:
Mammillaria compressa subs. centralifera (Repp.) D.R.Hunt
Mammillaria Postscripts 6: 11 (1997)
Synonymy: 2

Mammillaria compressa subs. centralifera (Repp.) D.R.Hunt

Mammillaria centralifera Repp.

Accepted name in llifle Database:
Mammillaria compressa f. cristata

Cultivars (1):

Mammillaria compressa cv. Yokan

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Description: This strange Mammillaria makes a nice and tangled cluster of fine crests. Brownish-green or purple in full sun exposure with fine soft white spines.
Remarks: Sometime "Yokan" revert to the type producing some normal shoots. Which are not monstrous at all! And also some classical green Mammillaria compressa forma cristata. But all this very different forms are the same plant! They are epigenetic variation not genetic mutant!

Subspecies, varieties, forms and cultivars of plants belonging to the Mammillaria compressa group

Mammillaria compressa DC.: (subsp. compressa) forms up to 1 m wide in a very few years. It has no central spines. Distribution: Hidalgo and Queretaro, Mexico.
Mammillaria compressa f. bernalensis (Repp.): has rudimentary radial spines and 3-5 central spines (usually missing in standard Mammillaria compressa). Distribution: San Pablo Toliman, Bernal, Querétaro, Mexico
Mammillaria compressa subs. centralifera (Repp.) D.R.Hunt: It often has solitary stems but is sometimes clumping and has 2 central spines. Distribution: Queretaro, Tamaulipas, and San Luis Potosi.
Mammillaria compressa f. cristata: It develops huge brain-shaped hemispherical mounds up to 1 m in diameter. There are several different crested clones.
Mammillaria compressa cv. Yokan: This strange Mammillaria makes a nice and tangled cluster of fine crests. Brownish-green or purple in full sun exposure with fine soft white spines.
Mammillaria tolimensis R.T.Craig: Stem up to 10 cm across, grey to yellowish green and forming suckers. Spines creamy-white to 5-6 cm long. Distribution: Santa María del Mexicano, between Bernal and Toliman, QRO, Mexico.

Mammillaria compressa cv. Yokan Photo by: Valentino Vallicelli

Mammillaria compressa cv. Yokan Photo by: Valentino Vallicelli

- A normal green shoot.(Reverted to the type) Photo by: Cactus Art

Mammillaria compressa cv. Yokan Photo by: Cactus Art

Mammillaria compressa cv. Yokan Photo by: Cactus Art

Mammillaria compressa cv. Yokan Photo by: Cactus Art

Mammillaria compressa cv. Yokan Photo by: Valentino Vallicelli

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Cultivation and Propagation: It is a relatively rapid growing species. This is easily grown into clumps, but it does often have an irregular pattern of offsetting. Water regularly in summer, but do not over-water (rot prone). Use a pot with good drainage and a very porous potting media. Keep dry in winter. Feed with a high potassium fertilizer in summer. It is quite frost resistant if kept dry, hardy as low as -5° C. Outside full sun or afternoon shade, inside it needs bright light, and some direct sun.
Easily clustering and easily flowered. Most plants will offset readily, and clumps can be produced in a few years.
Propagation:: By division of larger clumps or graft.

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Cite this page: "Mammillaria compressa cv. Yokan" Text available under a CC-BY-SA Creative Commons Attribution License. www.llifle.com 14 Nov. 2005. 25 Apr 2024. </Encyclopedia/CACTI/Family/Cactaceae/11926/Mammillaria_compressa_cv._Yokan>