What type of plants are Sinningia, named after Wilhelm Sinning, and Calla from the family Araceae?
Sinningia: Sinningia is a genus of flowering plants in the family Gesneriaceae. Sinningia:  It is named after Wilhelm Sinning (1792-1874), a gardener of the Botanische Gärten der Friedrich-Wilhelms-Universität Bonn.
i don't know