Publication: Kakteen Sukk. 41: 215, figs. 1990
Description
It is a tiny slowly clustering cactus with a quite a large flower for such a small plant. Flowers will be expected in 2-5 (or more) years old seedling when they mature.
Origin and Habitat
Echinocereus metornii is endemic to the Mexican state of Coahuila
Habitat and Ecology: The species grows in the desert scrub.
Cultivation and Propagation
Rot easily it is sensitive to overwatering (rot prone) needs a very good drainage to avoid rotting, Keep drier and cool in winter. Need full sun. Cold resistant above approx - 4C or less for short periods of time.
Propagation: Cutting as it branches freely from the base; Also can be grown from seeds.
Notes
The classification and the relationship of the plant belonging to the Echinocereus chisoensis group (Echinocereus fobeanus, Echinocereus metornii and Echinocereus chisoensis) is still controversial, all this species are considered synonyms of Echinocereus chisoensis, but there is quite a variation in the habitus (spination and shape of the plant, form of flower bud and receptacle tube, color-zonation in the flower, size of nectar chamber, form of fruit chamber and in the size, form and surface structure of the seed.) The morphological variation are also reconfirmed by chemical and genetic test.
Therefore synonymizations seems to be the result of invalid interpretations of the relationship.
Bibliography
Major references and further lectures
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Edward Anderson “The Cactus family” Timber Press, Incorporated, 2001
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Nathaniel Lord Britton, Joseph Nelson Rose “Cactaceae: Descriptions and Illustrations of Plants of the Cactus Family” vol. 4 The Carnegie Institution of Washington, Washington 1923
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James Cullen, Sabina G. Knees, H. Suzanne Cubey “The European Garden Flora Flowering Plants: A Manual for the Identification of Plants Cultivated in Europe, Both Out-of-Doors and Under Glass” Cambridge University Press, 11/Aug/2011
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David R Hunt; Nigel P Taylor; Graham Charles; International Cactaceae Systematics Group. “The New Cactus Lexicon” dh books, 2006
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Flora of North America Editorial Committee “Flora of North America: North of Mexico. Magnoliophyta: Caryophyllidae, part 1” Oxford University Press, 1993
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Urs Eggli, Leonard E. Newton “Etymological Dictionary of Succulent Plant Names” Springer, Berlin/Heidelberg 2010
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Smith, M., Hernández, H.M., Fitz Maurice, W.A., Sotomayor, M. & Fitz Maurice, B 2013. Echinocereus metornii. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 01 November 2014.
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