First description of the variety was in:

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Trichocereus taquimbalensis v. wilkeae Backbg. n. v.

Latin Diagnosis:
Differt a typo aculeis radialibus ± adpressis, curvatis, apice saepe obscuriore, ad 2,5 cm longis; aculeis centralibus ad 4, parte inferiore ± compressis, basi valde incrassata; floribus albis. — Bolivia australis (Prope Tupiza).