Question: To which taxonomical category do both Phellodendron and Boltonia belong?

full_context: Document 1: Boltonia: Boltonia is a genus of plants in the sunflower family native primarily to North America with one species in eastern Asia.
Document 2: Zanthoxylum: Zanthoxylum (including genus "Fagara") is a genus of about 250 species of deciduous and evergreen trees and shrubs in the citrus or rue family, Rutaceae, native to warm temperate and subtropical areas worldwide. Several of the species have yellow heartwood, to which their generic name alludes.
Document 3: Daphniphyllum: Daphniphyllum is the sole genus in the flowering plant family Daphniphyllaceae and was described as a genus in 1826. The genus includes evergreen shrubs and trees mainly native to east and southeast Asia, but also found in the Indian Subcontinent and New Guinea.
Document 4: Amsonia: Amsonia is a genus of flowering plants in the dogbane family, Apocynaceae, first described as a genus in 1788. It is native primarily to North America with one species in East Asia and another in the eastern Mediterranean.
Document 5: Paulownia: Paulownia is a genus of six to 17 species (depending on taxonomic authority) of flowering plants in the family Paulowniaceae, related to and sometimes included in the Scrophulariaceae. They are present in much of China, south to northern Laos and Vietnam and are long cultivated elsewhere in eastern Asia, notably in Japan and Korea. They are deciduous trees 12 – tall, with large, heart-shaped leaves 15–40 cm across, arranged in opposite pairs on the stem. The flowers are produced in early spring on panicles 10–30 cm long, with a tubular purple corolla resembling a foxglove flower. The fruit is a dry capsule, containing thousands of minute seeds.
Document 6: Phellodendron: Phellodendron, or cork-tree, is a genus of deciduous trees in the family Rutaceae, native to east and northeast Asia. It has leathery, pinnate leaves and yellow, clumped flowers. The name refers to the thick and corky bark of some (but not all) species in the genus.
Document 7: Gaillardia aristata: Gaillardia aristata is a North American species of flowering plants in the sunflower family known by the common names common blanketflower and common gaillardia. This perennial wildflower is widespread across much of North America, from Yukon east to Québec and south as far as California, Arizona, Illinois, and Connecticut, although it may be naturalized rather than native in parts of that range. It is also naturalized in scattered locations in Europe, Australia, and South America.
Document 8: Philadelphus: Philadelphus ( ) (mock-orange) is a genus of about 60 species of shrubs from 3-20 ft (1-6 m) tall, native to North America, Central America, Asia and (locally) in southeast Europe.
Document 9: Inula: Inula is a large genus of about 90 species of flowering plants in the family Asteraceae, native to Europe, Asia and Africa.
Document 10: Ballota: Ballota (horehound) is a genus of flowering evergreen perennial plants and subshrubs in the family Lamiaceae. native to temperate regions. The Mediterranean region has the highest diversity in the genus, with more isolated locations in South Africa, Central Asia, northern Europe, and the islands of the eastern North Atlantic. It is found in rocky and waste ground.
Document 11: Rhamnus davurica: Rhamnus davurica is a species of flowering plant in the buckthorn family known by the common name Dahurian buckthorn. It is native to China, North Korea, Mongolia, eastern Siberia, and Japan. It is present in North America as an introduced species.
Document 12: Leitneria: Leitneria floridana (corkwood), the sole species in the genus Leitneria, is a deciduous dioecious shrub or small tree, found only in the southeastern United States states of Arkansas, Florida, Georgia, Missouri and Texas.
Document 13: Echinacea: Echinacea is a genus, or group of herbaceous flowering plants in the daisy family. The "Echinacea" genus has nine species, which are commonly called purple coneflowers. They are found only in eastern and central North America, where they are found growing in moist to dry prairies and open wooded areas. They have large, showy heads of composite flowers, blooming from early to late summer. The generic name is derived from the Greek word ἐχῖνος ("ekhinos"), meaning "hedgehog," due to the spiny central disk. These flowering plants and their parts have different uses. Some species are cultivated in gardens for their showy flowers. "Echinacea purpurea" is used in folk medicine. Two of the species, "E. tennesseensis" and "E. laevigata", are listed in the United States as endangered species.
Document 14: Echinacea angustifolia: Echinacea angustifolia (narrow-leaved purple coneflower or blacksamson echinacea) is a North American plant species in sunflower family. It is widespread across much of the Great Plains of central Canada and the central United States, with additional populations in nearby regions.
Document 15: Tetradium ruticarpum: Tetradium ruticarpum is a tree that comes from China and Korea. It was previously classified in the genus "Euodia" as "Euodia ruticarpa". The fruit is usually used, denoted sometimes as "fructus". It has a strong bitter taste, and is used in traditional Chinese medicine (TCM) and is a recognized herb in Kampo. Both the former genus name and the species name are often misspelled, and the plant usually appears in sources dealing with traditional Chinese medicine as ""Evodia(e) rutaecarpa"".
ground_truth: genus