Callirhoe and Dischidia are both genus of plants and one is known as poppy mallows, which?
Dischidia Dischidia is a genus of plants in the Milkweed family, Apocynaceae. They are epiphytes native to tropical areas of China, India and most areas of Indo-China. "Dischidia" are closely aligned with the sister genus "Hoya". Unlike "Hoya", the genus "Dischidia" is poorly known and has not been studied as closely.
Hypochaeris radicata Hypochaeris radicata (sometimes spelled "Hypochoeris radicata"), also known as catsear, flatweed, cat's-ear, hairy cat's ear or false dandelion, is a perennial, low-lying edible herb often found in lawns. The plant is native to Europe, but has also been introduced to the Americas, Japan, Australia and New Zealand where it can be an invasive weed. It is listed as a noxious weed in Washington State, in the northwestern United States.