Oreocereus
(Berg.) Ricc. Br.&R. lists Oreocereus as a monotypic genus but later many species, varieties and forms were discovered. In early days the name O. celsianus was used for different plants but later settled on the thick plants when more were discovered while the name O. fossulatus was used for a thinner species of Oreocereus. Later the name O. neocelsianus was used and celsianus was droped but this did not catch on and neocelsianus is no longer used. The name is from the Greek signifying mountain-cereus. Flowers are red and forms of red. From Bolivia, S. Peru, N. Chile, N. Argentina.
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O. celsianus: (Lemaire) form from Cuchu Ingenio |
O. celsianus: form of- less hair and light green body. |
O. celsianus: form from Potosi |
O. celsianus: form from Culpina |
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O. celsianus: var/form giganteus KK893 Lecori, Bol. 2800-3500m. tall and branching |
O. celsianus: var/form magnificus, super thick short columns |
O. celsianus: var/form maximus (Backbg.) Tupiza, Bol. 3000m. hairy with redish spines |
O. celsianus form with very stout red spines |
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O. fossulatus: (Lab.) Backbg. |
O. fossulatus: var/form rubrospinus |
O. trollii: FR44 Humahuaca N. Arg. very high elevations |
O. urmiriensis: KK888 Urmiri Bol. 3000m. |
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Copyright Bob Ressler, no reproduction without permission of the author.
