Accepted Scientific Name: Thelocactus hexaedrophorus (Lem.) Britton & Rose
Bull. Torrey Bot. Club 1922, xlix. 251
Thelocactus hexaedrophorus var. droegeanus Photo by: Peiffer Clement
Origin and Habitat: Thelocactus hexaedrophorusSN|10830]]SN|10830]] var. droegeanus, according to Glass and Foster (1977) grows near La Bonita, south of Matehulla in San Luis Potosi, Mexico.
Synonyms:
See all synonyms of Thelocactus hexaedrophorus
Description: Thelocactus hexaedrophorusSN|10830]]SN|10830]] var. droegeanus is one of the controversial geographical or morphological form of Thelocactus hexaedrophorusSN|10830]]SN|10830]]. Many variant of Thelocactus hexaedrophorusSN|10830]]SN|10830]] 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 hexaedrophorusSN|10830]]SN|10830]] 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.
Subspecies, varieties, forms and cultivars of plants belonging to the Thelocactus exaedrophorus group
Thelocactus hexaedrophorus (Lem.) Britton & Rose: (subsp. hexaedrophorus) has hemispheric tubercles, 0-1 reddish central spine, 4-6 reddish radials, and flowers 4-5.5 cm Ø. Distribution: widespread in San Luis Potosi, Tamaulipas, and Nuevo Leon.- Thelocactus hexaedrophorus var. droegeanus (Hildm. ex K.Schum.) Pilbeam: has ash-grey compressed, closely packaged tubercles, shorter spines and small flowers. Distribution: La Bonita, south of Matehulla in San Luis Potosi.
- Thelocactus hexaedrophorus var. fossulatus (Scheidw.) Backeb.: Usually solitary, clustering only after many years, from the base It has 1 red central spine and 4-6 reddish-gray-white radial spines per areole They are thick, long and sharp.
- Thelocactus hexaedrophorus var. fossulatus cv. Long spines (Japan) (Scheidw.) Backeb.: Selected cultivar immediately distinguished from the other Thelocacti of this grou for the very strong, long and colourful spines.
- Thelocactus hexaedrophorus subs. kvetae Chvastek & Halda: has flattened discoidal bodies, bright purple-pink coloured flowers and larger seeds. Distribution: Central Mexico, San Luis Potosi [near Rio Verde].
- Thelocactus hexaedrophorus var. labouretianus (K.Schum.) Pilbeam: grey stems, white pink flowers, and nice spination. At first the plants have larger tubercles that may become closely packaged as the plant gets older.
- Thelocactus hexaedrophorus subs. lloydii (Britton & Rose) N.P.Taylor: has delta-shaped tubercles, 1-3 reddish central spines, 6-8 reddish white to brownish radials, and flowers 3,3-3,6 cm Ø. Distribution: Zacatecas.
- Thelocactus hexaedrophorus subs. lloydii f. major: has very long ( up to 8 cm long) central spines, more numerous (6-8) radials, and pure white flower. Distribution: San Luis Potosí and Nuevo Leon.
- Thelocactus hexaedrophorus subs. lloydii cv. monstruosus: has firm, rubbery-textured glaucous green stems, the surface is naked or with few scattered spine clustes.
- Thelocactus hexaedrophorus var. paradensis Pilbeam: It is a white flowering form of Thelocactus hexaedrophorus subs. lloydii. It is known in cultivation only.
Bibliography: Major references and further lectures
1) Curt Backeberg. “Die Cactaceae” Volume V. Gustav Fischer Verlag. Jena, 1961
2) Berger "Kakteen", p. 253. 1929
3) Pilbeam in “Thelocactus (Cactus File Handbook, 1)” p. 29. 1996
4) Echinocactus hexaedrophorus var. droegeanus in: Schelle in “Handb. Kakteenkult”. 199. 1907
5) ????????? ?????. ??? “??????????”
6) Thelocactus hexaedrophorus var. droegeanus (Hildm. ex K. Schum. 1907) Berger 1929 in Cactus Love web: http://www.cactuslove.ru/vid.php?vidid=1369
7) Nathaniel Lord Britton, Joseph Nelson Rose “Cactaceae: Descriptions and Illustrations of Plants of the Cactus Family” volume 4, 1923
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Thelocactus hexaedrophorus var. droegeanus Photo by: Peiffer ClementSend a photo of this plant.The gallery now contains thousands of pictures, however it is possible to do even more. We are, of course, seeking photos of species not yet shown in the gallery but not only that, we are also looking for better pictures than those already present.
Read More... 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.
