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If you have these dews looking similar you can always compare flowers and tell wich is wich. If you do a search you will find some pics and clearly see the differences.
Re: Drosera dielsiana is one of those highly variable South African species designed by the Creator to drive collectors insane.. Juvenille plants don't resemble what they mature into quite frequently. Depending on location, lamina (leaf blades holding the trapping hairs) can be elongated (like a short D. aliciae) or close to "tennis paddle" roundish. I've grown both. Plants also can change form in times of stress, e.g. drought or after flowering. Populations within different ranges look different as far as the rosettes go, and individuals within these populations differ as well! So, in the case of D. dielsiana the criteria for diagnosis primarily depends on the scape, flower and seed testa - and these are by no means always consistent either, especially in cultivated individuals.
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