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Echinocactus bicolor var. pottsii Salm-Dyck, Cact. Hort. Dyck. 173 (1850).
In varietate β. Pottsii vero, aculei longiores, rigidiores sunt, et patenti-recurvuli; exterioribus plerumque 10-11, interiorumque summo ac infimo latiusculis, et valde applanatis.
home | © Alessandro Mosco 2004 | Last updated: 30-11-2006
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