Question: Ebony and Hatiora in what genuses

full_context: Document 1: Diospyros crassiflora: Diospyros crassiflora, commonly known as Gabon ebony, African ebony, West African ebony, and Benin ebony, is a species of lowland-rainforest tree in the family Ebenaceae that is endemic to Western Africa. It is named after the West African state of Gabon, though it also occurs in Cameroon, Central African Republic, Republic of the Congo, Democratic Republic of the Congo and Nigeria.
Document 2: Hatiora gaertneri: Hatiora gaertneri is a species of epiphytic cactus which belongs to the tribe Rhipsalideae within the subfamily Cactoideae of the Cactaceae. Together with the hybrid with "H. rosea", Hatiora" ×"graeseri, it is known as Easter cactus or Whitsun cactus and is a widely cultivated ornamental plant.
Document 3: Diospyros: Diospyros is a genus of over 700 species of deciduous and evergreen trees and shrubs. The majority are native to the tropics, with only a few species extending into temperate regions. Depending on their nature, individual species are commonly known as ebony or persimmon trees. Some are valued for their hard, heavy, dark timber, and some for their fruit. Some are useful as ornamentals and many are of local ecological importance.
Document 4: Schlumbergera orssichiana: Schlumbergera orssichiana is a species of plant in the Cactaceae family. It is endemic to a small area of the coastal mountains of south-eastern Brazil where its natural habitat is moist forest. It grows on trees as an epiphyte. It is in the same genus as the popular houseplant known as Christmas Cactus or Thanksgiving Cactus.
Document 5: Trochetiopsis ebenus: Trochetiopsis ebenus, the dwarf ebony or Saint Helena ebony, is a species of flowering plant that is endemic to the island of Saint Helena in the southern Atlantic Ocean. It is not related to the ebony of commerce ("Diospyros" spp.), but is instead a member of the mallow family, Malvaceae. Saint Helena ebony is now critically endangered in the wild, being reduced to two wild individuals on a cliff, but old roots are sometimes found washed out of eroding slopes (relicts of its former abundance). These are collected on the island a used for inlay work, an important craft on Saint Helena. A related species, "Trochetiopsis melanoxylon" is now completely extinct.
Document 6: Ebony: Ebony is a dense black hardwood, most commonly yielded by several different species in the genus "Diospyros", which also contains the persimmons. Ebony is dense enough to sink in water. It is finely-textured and has a very smooth finish when polished, making it valuable as an ornamental wood. The word "ebony" comes from the Ancient Egyptian "hbny", through the Ancient Greek ἔβενος ("ébenos"), into Latin and Middle English.
Document 7: Hatiora: Hatiora is a small genus of epiphytic cacti which belongs to the tribe Rhipsalideae within the subfamily Cactoideae of the Cactaceae. Some "Hatiora" species are well known and widely cultivated ornamentals, known as Easter cactus or Whitsun cactus.
Document 8: Schlumbergera opuntioides: Schlumbergera opuntioides is a species of plant in the Cactaceae family. It is endemic to the coastal mountains of south-eastern Brazil where its natural habitats are humid forests and rocky areas. It is threatened by habitat loss. It is in the same genus as the popular house plant known as Christmas Cactus or Thanksgiving Cactus.
Document 9: Diospyros malabarica: Diospyros malabarica, the gaub tree, Malabar ebony, black-and-white ebony or pale moon ebony, is a species of flowering tree in the family Ebenaceae that is native to the Indian Subcontinent and South East Asia.
Document 10: Zebrawood: The name zebrawood is used to describe several tree species and the wood derived from them. Zebrawood is characterized by a striped figure that is reminiscent of a zebra. The name originally applied to the wood of "Astronium graveolens", a large tree native to Central America. In the 20th century, the most important source of zebrawood was "Microberlinia brazzavillensis", a tree native to Central Africa. Other sources include Brazilian "Astronium fraxinifolium", African "Brachystegia spiciformis", Pacific "Guettarda speciosa", and Asian "Pistacia integerrima".
Document 11: Schlumbergera microsphaerica: Schlumbergera microsphaerica is a species of plant in the Cactaceae family. It is endemic to a limited area of the coastal mountains of south-eastern Brazil where its natural habitat is rocky areas above 2600 m . It is threatened by habitat loss. It is in the same genus as the popular house plant known as Christmas Cactus or Thanksgiving Cactus.
Document 12: Diospyros fasciculosa: Diospyros fasciculosa, is a rainforest tree in the ebony family. Australian common names include grey ebony, clustered persimmon, ebony and Long Tom.
Document 13: Epiphyllum hybrid: The plants known as epiphyllum hybrids, epiphyllums, epicacti or just epis, widely grown for their flowers, are artificial hybrids of species within the group of cacti placed in the tribe Hylocereeae, particularly species of "Disocactus", "Pseudorhipsalis" and "Selenicereus". In spite of the common name, species in the genus "Epiphyllum" are less often involved as parents of epiphyllum hybrids.
Document 14: Calamander wood: Calamander or coromandel is a valuable wood from Sri Lanka (Ceylon) and South East Asia. It is of a hazel-brown color, with black stripes (or the other way about), very heavy and hard. It is also known as Macassar ebony or variegated ebony and is closely related to genuine ebony, but is obtained from different species in the same genus; one of these is "Diospyros quaesita" Thwaites, from Sri Lanka. The name "calamander" comes from the local Sinhalese name, "kalu-medhiriya", which means dark chamber; referring to the characteristic ebony black wood. It is used in furniture, luthiery and for sculpture.
Document 15: Rhipsalis: Rhipsalis is a genus of epiphytic cacti. They are typically known as mistletoe cacti. The scientific name derives from the Ancient Greek term for wickerwork, referring to the plants' habitus. "Rhipsalis" is one is part of the tribe Rhipsalideae within the subfamily Cactoideae of the Cactaceae. It is the largest and most widely distributed genus of epiphytic cacti.
ground_truth: genus "Diospyros"