Question: What genuses does Pleioblastus and Tibouchina belong to?

full_context: Document 1: Pinellia: Pinellia is a genus of plants in the family Araceae native to East Asia (China, Korea, Japan). Its species are commonly called green dragons due to the color and shape of the inflorescence, which possesses a green, hooded spathe from which protrudes a long, tongue-like extension of the spadix. The leaves vary greatly in shape among different species, from simple and cordate to compound with three to many leaflets. "Pinellia" reproduces rapidly from seed and many species also produce bulbils on the leaves. Both characteristics have allowed some species to become weedy in temperate areas outside their native range, notably "Pinellia ternata" in eastern North America.
Document 2: Fargesia: Fargesia is a genus of Asian bamboo in the grass family. They are native primarily to China, with a few species in Vietnam and in the eastern Himalayas. Some species are cultivated as ornamentals, with common names include umbrella bamboo and fountain bamboo.
Document 3: Tibouchina gleasoniana: Tibouchina gleasoniana is a species of plant in the Melastomataceae family. It is endemic to Ecuador.
Document 4: Phyllostachys aurea: Phyllostachys aurea is a bamboo species of the 'running bamboo' type, belonging to the diverse Bambuseae tribe. It is native to Fujian and Zhejiang in China. It is commonly known by the names fishpole bamboo, golden bamboo, monk's belly bamboo and fairyland bamboo (Australia).
Document 5: Tibouchina: Tibouchina Aubl. is a Neotropical flowering plant genus in Melastomataceae Juss. that contains approximately 240 species. Species of this genus are herbs, shrubs or trees and typically have purple flowers. They are native to Mexico, the Caribbean, and South America where they are found as far south as northern Argentina. Members of this genus are known as glory bushes, glory trees or princess flowers. The name "Tibouchina" is adapted from a Guianan indigenous name for a member of this genus . A recent systematic study has shown that this genus is paraphyletic.
Document 6: Sasa palmata: Sasa palmata is a species of low-growing, shade-tolerant bamboo that is native to Japan. It is known as broadleaf bamboo or broad-leaved bamboo.
Document 7: Tibouchina heteromalla: Tibouchina heteromalla, known by the common name silverleafed princess flower in English is a species of evergreen flowering plant in the genus "Tibouchina" of the family Melastomataceae. It is native to Brazil.
Document 8: Tibouchina urvilleana: Tibouchina urvilleana is a species of flowering plant in the family Melastomataceae, native to Brazil. Growing to 3 - tall by 2 - wide, it is a sprawling evergreen shrub with longitudinally veined, dark green hairy leaves. Clusters of brilliant purple flowers up to 10 cm in diameter, with black stamens, are borne throughout summer and autumn.
Document 9: Pleioblastus: Pleioblastus is a, East Asian genus of monopodial bamboos in the grass family. They are native to China and Japan, and naturalized in scattered places in Korea, Europe, New Zealand, and the Western Hemisphere.
Document 10: Gynura aurantiaca: Gynura aurantiaca, called purple passion or velvet plant is a species of plants in the chrysanthemum family It is native to Southeast Asia but grown in many other places as a house plant. In warm regions, it is frequently grown in outdoor on patios and in gardens rather than inside buildings, and hence it has escaped into the wild in Africa, Australia, South America, Mesoamerica, Florida, and a few other places.
Document 11: Pollia japonica: Pollia japonica, known as East Asian pollia in English, Yabumyoga(ヤブミョウガ ) in Japanese, and dùruò(杜若 ) in Chinese, is a perennial flower native to East Asia. Its niche is forests 0–1200 m. It is native in Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, and Sichuan Provinces of China. Also found in Taiwan, Japan, and Korea.
Document 12: Tibouchina pulchra: Tibouchina pulchra is a plant species in the genus "Tibouchina".
Document 13: Plumeria rubra: Plumeria rubra is a deciduous plant species belonging to the genus "Plumeria". Originally native to Mexico, Central America, Colombia and Venezuela, it has been widely cultivated in subtropical and tropical climates worldwide and is a popular garden and park plant, as well as being used in temples and cemeteries. It grows as a spreading tree to 7 – high and wide, and is flushed with fragrant flowers of shades of pink, white and yellow over the summer and autumn. Its common names include frangipani, red paucipan, red-jasmine, red frangipani, common frangipani, temple tree, or simply plumeria.
Document 14: Chimonobambusa: Chimonobambusa is a genus of East Asian bamboo in the grass family. They are native to China, Japan, Vietnam, Myanmar, and the Himalayas.
Document 15: Passiflora mixta: Passiflora mixta, from the family Passifloraceae is also known as "curuba", "curuba de indio", "curuba de monte", "curubita", "palta" (Colombia), "parcha" (Venezuela), and "tacso" (Ecuador). Originally, it derived from the monophyletic Adeans "Passiflora" subgenus "Tacsonia". "Passiflora" includes 47 species, one of which is "Passiflora mixta" which can be found in Southern America. A perennial vine, the "Passiflora mixta" is pink to orange-red in color.
ground_truth: Melastomataceae Juss