Question: Which genus was named after Saverio Manetti, Manettia or Rhododendron?

full_context: Document 1: Rhododendron: Rhododendron (from Ancient Greek ῥόδον "rhódon" "rose" and δένδρον "déndron" "tree") is a genus of 1,024 species of woody plants in the heath family (Ericaceae), either evergreen or deciduous, and found mainly in Asia, although it is also widespread throughout the highlands of the Appalachian Mountains of North America. It is the national flower of Nepal. Most species have brightly coloured flowers which bloom from late winter through to early summer.
Document 2: Eupatorieae: Eupatorieae is a tribe of over 2000 species of plants in the aster family. Most of the species are native to tropical, subtropical, and warm temperate areas of the Americas, but some are found elsewhere. Well-known members are "Stevia rebaudiana" (used as a sugar substitute), a number of medicinal plants ("Eupatorium"), and a variety of late summer to autumn blooming garden flowers, including "Ageratum" (flossflower) and "Conoclinium" (mistflower).
Document 3: Dracaena mannii: Dracaena mannii Baker or small-leaved dragon tree, is a small to medium-sized tree, though recorded up to 30 m tall with stem to 2 m in diameter in Cameroon and Gabon. It occurs from Senegal to Angola along the African west coast, is widespread in tropical Africa and is found along the African east coast from Kenya to Kosi Bay in northern KwaZulu-Natal. It prefers lowland, submontane and montane forests which are either moist and evergreen, swampy or on coastal dunes. It is also found along forest edges, in clearings and on river banks from sea level to 1,800 metres. It is one of some 120 species currently recognised, which occur primarily in Africa and southern Asia with a single vagrant species in Central America. The species is named after Gustav Mann (1836–1916), a German botanist, who corresponded with John Gilbert Baker.
Document 4: Manettia: Manettia is a genus of flowering plants in the family Rubiaceae. There are between 80 and 123 species. They are distributed in the West Indies, Mexico, and Central and South America. Most are vines. The genus was named after Saverio Manetti.
Document 5: Rhododendron maximum: Rhododendron maximum — its common names include great laurel, great rhododendron, rosebay rhododendron, American rhododendron and big rhododendron — is a species of "Rhododendron" native to the Appalachians of eastern North America, from Alabama north to coastal Nova Scotia.
Document 6: List of Rhododendron species: This List of "Rhododendron" species includes species of the genus "Rhododendron", which is in the plant family Ericaceae. Depending on the source, there are anywhere from 800 to over 1,100 wild species. The vast majority of "Rhododendron" species are native to the eastern Himalaya and southeast Tibet, along with the islands of Java, Sumatra, Borneo, New Guinea, and the Philippines. The rest are broadly spread throughout the northern hemisphere in relatively small isolated populations, including Japan, northwestern North America, the Appalachian, and the Caucasus Mountains.
Document 7: Thevetia: Thevetia is a genus of flowering plants in the dogbane family, Apocynaceae, first described for modern science as a genus in 1758. It is native to Mexico, Central America, South America, and Cuba. The taxonomy of the genus is controversial, with some authors including "Cascabela" within "Thevetia", while others accept the two genera as separate.
Document 8: Saverio Manetti: Francesco Saverio Manetti also spelt Xaviero or Xaverio Manetti (Latinized as Franciscus Xaverius Manetti civis Florentinus) (12 November 1723 – 12 November 1785) was an Italian physician, botanist and ornithologist. Among his works is the treatise on birds, "Ornithologia methodice digesta" or "Storia naturale degli uccelli" (1776). The plant genus "Manettia" was named in his honour by Carolus Linnaeus.
Document 9: Sabiceeae: Sabiceeae is a tribe of flowering plants in the Rubiaceae family and contains about 164 species in 7 genera. Its representatives are found in tropical Africa, Madagascar, Sri Lanka, and from Mexico to tropical America. The genus "Sabicea" is one of the rare genera in Rubiaceae that occurs both in tropical Africa and tropical America.
Document 10: North American azaleas: North American azaleas are flowering shrubs in the genus "Rhododendron", section "Pentanthera", subsection Pentanthera, so named because they all have five stamens. Most are in the United States, with one species found in Canada and one being found in Mexico. North American azaleas are commonly confused with azaleas of Asian origin, the evergreen azaleas. North American azaleas are deciduous and produce two types of buds. One is a larger and produces about 20 flowers while the other bud produces a leafy shoot. The flower color, fragrance, and number of stamens vary among species.
Document 11: Rhododendron subg. Rhododendron: Rhododendron" subgenus "Rhododendron is a subgenus of the genus "Rhododendron". With around 400 species, it is the largest of the eight subgenera (more recently reduced to five) containing nearly half of all known species of "Rhododendron" and all of the lepidote (scales on the underside of the leaves) species.
Document 12: Rhododendron ferrugineum: Rhododendron ferrugineum (sometimes called alpenrose, snow-rose, or rusty-leaved alpenrose) is an evergreen shrub that grows just above the tree line in the Alps, Pyrenees, Jura and northern Apennines, on acid soils. It is the type species for the "Rhododendron" genus. It may grow up to 1 m tall and produces clusters of pinkish-red, bell-shaped flowers throughout the summer. The undersides of the leaves are covered in rust-brown spots, which give the species its scientific name. This is in contrast to "Rhododendron hirsutum", which has no such brown colouring, has hairy edges to the leaves and grows over limestone. Where the two species co-occur (usually on soils of intermediate pH), the hybrid "Rhododendron × intermedium" may occur; as its name suggests, it is intermediate in form between the two parental species.
Document 13: Rhododendron macrophyllum: Rhododendron macrophyllum, the Pacific rhododendron, California rosebay, California rhododendron, coast rhododendron or big leaf rhododendron, is a large-leaved species of "Rhododendron" native to the Pacific Coast of North America. It is the state flower of Washington.
Document 14: Maytenus: Maytenus is a genus of flowering plants in the staff vine family, Celastraceae. Members of the genus are distributed throughout Central and South America, Southeast Asia, Micronesia and Australasia, the Indian Ocean and Africa. They grow in a very wide variety of climates, from tropical to subpolar.
Document 15: Hydrangea: Hydrangea ( ; common names hydrangea or hortensia) is a genus of 70–75 species of flowering plants native to southern and eastern Asia (China, Japan, Korea, the Himalayas, and Indonesia) and the Americas. By far the greatest species diversity is in eastern Asia, notably China, Japan, and Korea. Most are shrubs 1 to 3 meters tall, but some are small trees, and others lianas reaching up to 30 m by climbing up trees. They can be either deciduous or evergreen, though the widely cultivated temperate species are all deciduous.
ground_truth: Manettia