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    Opuntia engelmannii f. linguiformis
    [= Opuntia linguiformis
    & Opuntia lindheimeri var. linguiformis
    & Opuntia engelmannii var. linguiformis]


    "Cow tongue" "Lengua de la vaca"


        This popular cultivar was originally collected near San Antonio by David Griffiths around 1906.
        It is believed to be either some sort of a hybrid or a mutant as it has never been re-encountered except as individuals that have 'escaped' from cultivation.
        While often flowering and fruiting profusely, it is reported to be sterile and is entirely reproduced vegetatively.
        Benson preserved it as a variety of lindheimeri, Parfitt & Pinkava regarding it to be a variety of engelmannii, but it seems doubtful it should be regarded as more than a cultivar or form of engelmannii var. lindheimeri.
     
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