Callirhoe and Dischidia are both genus of plants and one is known as poppy mallows, which?
Callirhoe (plant) Callirhoe is a genus of flowering plants in the mallow family, Malvaceae. Its nine species are commonly known as poppy mallows and all are native to the prairies and grasslands of North America. Of the nine, some are annuals while others are perennial plants.
Hibiscus splendens Hibiscus splendens, the splendid hibiscus, is a species of flowering shrub or tree in the mallow family, Malvaceae. Other common names include hollyhock tree and pink cottonwood. "H. splendens" is a fairly common plant native to eastern Australia. The range of natural distribution is from Wollongong (35° S) in the state of New South Wales to Blackdown Tableland National Park (23° S) in central east Queensland. The habitat is on clearings or disturbances around the margins of the drier rainforests.