Question: Information: - Rodgersia is a genus of flowering plants in the Saxifragaceae family. "Rodgersia" are herbaceous perennials originating from east Asia. - Saxifragaceae is a plant family with about 640 known species in 33 accepted genera. - Asia is Earth's largest and most populous continent, located primarily in the eastern and northern hemispheres and sharing the continental landmass of Eurasia with the continent of Europe. Asia covers an area of , about 30% of Earth's total land area and 8.7% of the Earth's total surface area. The continent, which has long been home to the majority of the human population, was the site of many of the first civilizations. Asia is notable for not only its overall large size and population, but also dense and large settlements as well as vast barely populated regions within the continent of 4.4 billion people. - The flowering plants (angiosperms), also known as Angiospermae or Magnoliophyta, are the most diverse group of land plants, with 416 families, approx. 13,164 known genera and a total of c. 295,383 known species. Like gymnosperms, angiosperms are seed-producing plants; they are distinguished from gymnosperms by characteristics including flowers, endosperm within the seeds, and the production of fruits that contain the seeds. Etymologically, angiosperm means a plant that produces seeds within an enclosure, in other words, a fruiting plant. The term "angiosperm" comes from the Greek composite word ("angeion", "case" or "casing", and "sperma", "seed") meaning "enclosed seeds", after the enclosed condition of the seeds. - Astilboides , a genus of the saxifrage family containing only one species , a herbaceous perennial once included in the genus Rodgersia . It comes from China and differs from its former relatives mainly in its leaf shape . It is grown for its huge bright green , circular leaves to 36 in ( 90 cm ) across with the stem attached to the center , and large fluffy racemens of tiny white flowers produced in summer . Given the paragraphs above, decide what entity has the relation 'parent taxon' with 'saxifragaceae'.
Answer:
astilboides