Question: The son of who was a German botanist, horticulturist, and microscopist, who joined the Schleswig-Holstein army to fight the first round of military conflict in southern Denmark and northern Germany rooted in the Schleswig-Holstein Question?
Sentence (from "Johannes Groenland"): While working for Vilmorin, Groenland worked with Theodor Rümpler to prepare the German edition of "Les fleurs de pleine terre" ("Vilmorin's illustrierte Blumengärtnerei").
Relevant evidence: No