Publication: Thelocactus (Cactus File Handbook, 1) 29 (1996) Basionym not stated. (Hildm.ex K.Schum.)
Description
Thelocactus hexaedrophorus var. droegeanus is one of the controversial geographical or morphological form of Thelocactus hexaedrophorus. Many variant of Thelocactus hexaedrophorus was early classified as different independent species or varieties, but nowadays all this plants are considered part of a multiform species, where each form is linked to others by populations of plants with intermediate characteristics. The name Thelocactus hexaedrophorus var. droegeanus was used to designate plants with ash-grey compressed tubercles. This variety, according to Glass and Foster (1977) grows near La Bonita, south of Matehulla in San Luis Potosi, have short spines and small flowers.
Origin and Habitat
Thelocactus hexaedrophorus var. droegeanus, according to Glass and Foster (1977) grows near La Bonita, south of Matehulla in San Luis Potosi, Mexico.
Cultivation and Propagation
Easy to cultivate. Water moderately from Spring to Autumn. In Winter, keep dry.
Sun Exposure: Full sun to light shade
Reproduction: Nearly always from seed, since the plant rarely produces plantlets.
Bibliography
Major references and further lectures
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Curt Backeberg. “Die Cactaceae” Volume V. Gustav Fischer Verlag. Jena, 1961
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Berger “Kakteen”, p. 253. 1929
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Pilbeam in “Thelocactus (Cactus File Handbook, 1)” p. 29. 1996
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Echinocactus hexaedrophorus var. droegeanus in: Schelle in “Handb. Kakteenkult”. 199. 1907
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Thelocactus hexaedrophorus var. droegeanus (Hildm. ex K. Schum. 1907) Berger 1929 in Cactus Love web: http://www.cactuslove.ru/vid.php?vidid=1369
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Nathaniel Lord Britton, Joseph Nelson Rose “Cactaceae: Descriptions and Illustrations of Plants of the Cactus Family” volume 4, 1923
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