Question: Stenomesson and Arctotis, are a type of what?

full_context: Document 1: 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 2: Griffineae: The tribe Griffineae (in the family Amaryllidaceae, subfamily Amaryllidoideae) includes 2 genera with 22 species from South America which are actually endemic to Brazil. A typical character of the representatives of the tribe are the flowers - They are with blue or lilac color collected into an umbel. Only the members of this tribe and the genus "Lycoris" are able to form flowers with such color in the whole Amaryllidaceae family. The plants in this group are typical perennial flowers which are producing bulbs. The leaves are green, with elliptical form in the most of the cases but in some members as in "Worsleya" they are sword-shaped.
Document 3: Erigeron annuus: Erigeron annuus (annual fleabane, daisy fleabane, or eastern daisy fleabane) is a North American plant species in the daisy family.
Document 4: Arctotis: Arctotis is a genus of annual and perennial plants in the family Asteraceae.
Document 5: Clinantheae: Clinantheae is a tribe (in the family Amaryllidaceae, subfamily Amaryllidoideae), where it forms part of the Andean clade, one of two American clades. The tribe was described in 2000 by Alan Meerow "et al." as a result of a molecular phylogenetic study of the American Amaryllidoideae. This demonstrated that the Stenomesseae tribe, including the type genus "Stenomesson" was polyphyletic. Part of the tribe segregated with the Eucharideae and were submerged into it, while the other part formed a unique subclade. Since the type species of "Stenomesson" was not part of the second sublclade it was necessary to form a new name for the remaining species together with the other genera that remained. This was "Clinanthus", the oldest name for these species, and consequently the tribe Clinantheae.
Document 6: Stenomesson: Stenomesson is a genus of bulbous plants in the family Amaryllidaceae. All the species are native to western South America (Colombia, Ecuador, Peru and northern Chile).
Document 7: Arctotis venusta: Arctotis venusta is a species of South African plants in the daisy family. Common names include silver arctotis, kusgousblom, and blue-eyed African daisy. It is native to the western coast of South Africa, The species is widely cultivated as an ornamental, and has become naturalized in parts of the United States (California, Arizona, South Carolina), Australia, and Central and South America, where it has escaped from gardens to become a noxious weed.
Document 8: Arachis: Arachis is a genus of about 70 species of annual and perennial flowering plants in the pea family (Fabaceae), native to South America, and was recently assigned to the informal monophyletic "Pterocarpus" clade of the Dalbergieae. At least one species, the peanut ("Arachis hypogaea"), is a major food crop species of global importance; some of the other species are cultivated for food to a small extent in South America. Other species such as "A. pintoi" are cultivated worldwide as forage and soil conditioner plants, with the leaves providing high-protein feed for grazing livestock and a nitrogen source in agroforestry and permaculture systems.
Document 9: Chlidanthus: Chlidanthus is a genus that consists of 10 species of tender bulbs from tropical South America, mostly natives to the Andes. The botanical name comes from the Greek, meaning "delicate flower". The plants have large spherical bulbs with gray-green, strap-shaped leaves 30cm long arising from the base. In late spring to early summer, clusters of 3-4 large, strong citrus-scented fragrant, funnel-shaped flowers 10-13cm long held terminally on stalks 25cm high, colored in yellow, pink or red.
Document 10: Stenomesseae: Stenomesseae was a tribe (in the family Amaryllidaceae, subfamily Amaryllidoideae), where it forms part of the Andean clade, one of two American clades. The tribe was originally described by Traub in his monograph on the Amaryllidaceae in 1963, as Stenomessae based on the type genus "Stenomesson". In 1995 it was recognised that Eustephieae was a distinct group separate from the other Stenomesseae. Subsequently, the Müller-Doblies' (1996) divided tribe Eustephieae into two subtribes, Stenomessinae and Eustephiinae.
Document 11: Amaryllis: Amaryllis ( ) is the only genus in the subtribe Amaryllidinae (tribe Amaryllideae). It is a small genus of flowering bulbs, with two species. The better known of the two, "Amaryllis belladonna", is a native of the Western Cape region of South Africa, particularly the rocky southwest area between the Olifants River Valley to Knysna. For many years there was confusion among botanists over the generic names "Amaryllis" and "Hippeastrum", one result of which is that the common name "amaryllis" is mainly used for cultivars of the genus "Hippeastrum", widely sold in the winter months for their ability to bloom indoors. Plants of the genus "Amaryllis" are known as belladonna lily, Jersey lily, naked lady, amarillo, Easter lily in Southern Australia or, in South Africa, March lily due to its propensity to flower around March. This is one of numerous genera with the common name "lily" due to their flower shape and growth habit. However, they are only distantly related to the true lily, "Lilium".
Document 12: Argyranthemum: Argyranthemum (marguerite, marguerite daisy, dill daisy) is a genus of flowering plants belonging to the family Asteraceae. Members of this genus are sometimes also placed in the genus "Chrysanthemum".
Document 13: Cestrum: Cestrum is a genus of - depending on authority - 150-250 species of flowering plants in the family Solanaceae. They are native to warm temperate to tropical regions of the Americas, from the southernmost United States (Florida, Texas: day-blooming cestrum, "C. diurnum") south to the Bío-Bío Region in central Chile (green cestrum, "C. parqui"). They are colloquially known as cestrums or jessamines (from "jasmine", due to their fragrant flowers).
Document 14: Pamianthe: Pamianthe is a genus of South American bulbous perennials in the Amaryllis family, subfamily Amaryllidoideae. They can be found in sandy, but rocky areas in Ecuador, Peru, and Bolivia.
Document 15: Antennaria: Antennaria is a genus of herbaceous perennial plants in the family Asteraceae, native to temperate regions of the Northern Hemisphere, with one species ("A. chilensis") in temperate southern South America; the highest species diversity is in North America. Common names include catsfoot or cat's-foot, pussytoes and everlasting.
ground_truth: plants