View source for Rebutia

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Rebutia (named for Rebut). Cactaceae. Plants very small, globular, covered with small tubercles, resembling in habit very much a mam- millaria: fl. appearing from the side and even the base of plant, large in comparison with the plant, red or orange-colored, with slender, fun- nelform tube; bracts on ovary small, naked in their axils: fr. a small beryy.-Originally described with 1 species, but a study of S. American material indicates that there may be 5 or 6 other species to be transferred here from other genera. The original species has been referred both to Echinopsis and Echinocactus, from both of which it is abundantly distinct.
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