Answer: The terms Bryophyllum daigremontiana and B. daigremontianum are interchangeable. The common name for your kalanchoe is Devil's Backbone. It's an erect, unbranched succulent with triangular leaves. The leaves are held stiffly at an angle to the stem with the serrated edges curled inwards. At these edges tiny plantlets develop. It sounds to me as though your plant is behaving normally.
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