Are Calceolaria and Arrhenatherum both flowers?
Calceolaria: Calceolaria ( ), also called lady's purse, slipper flower and pocketbook flower, or slipperwort, is a genus of plants in the Calceolariaceae family, sometimes classified in Scrophulariaceae by some authors. Arrhenatherum: Arrhenatherum, commonly called oatgrass or button-grass, is a genus of Eurasian and North African plants in grass family.
i don't know