Question: Of the two flowering plants Eriogonum and Ascocenda, is one natural and the other man-made?
Sentence (from "Ascocenda"): × Ascocenda, abbreviated as Ascda in the horticultural trade, is a man-made hybrid orchid genus resulting from a cross between "Ascocentrum" and "Vanda" (Asctm × V).
Relevant evidence: Yes