Question: Which plant is native to Southern Africa, Anacampseros or Prostanthera?

full_context: Document 1: Delosperma: Delosperma ('delos'=evident, 'sperma'=seed) is a genus of around 100 species of succulent plants, formerly included in "Mesembryanthemum" in the family Aizoaceae. The family is common in southern and eastern Africa.
Document 2: Prostanthera: Prostanthera, commonly known as mintbush or mint bush, is a genus of flowering plants of the family Lamiaceae. There are about 90 species within the genus, all of which are endemic to Australia. The word is derived from the Greek for an appendage. Within the flowers are small spur-like appendages on the anthers.
Document 3: Grahamia australiana: Grahamia australiana is a species of plant from the family Anacampserotaceae which is endemic to Australia, it is often better known as "Anacampseros australiana" but the genus "Anacampseros" is now thought to be restricted to Africa.
Document 4: Adromischus: Adromischus is a genus of easily propagated leaf succulents from the Crassulaceae family. "Adromischus" are endemic to southern Africa. The name comes from the ancient Greek "adros" (=thick) and "mischos" (=stem).
Document 5: Hemiandra: Hemiandra, commonly known as snakebush, is a genus of plants of the family Lamiaceae, first described in 1810. The genus is endemic to Australia (Queensland and Western Australia). They are all prostrate to smallish shrubs allied to "Westringia". The red, lilac, pink, or white flowers are 2-lipped, the lower lip enlarged and spotted. The stiff, narrow leaves often have prickly tips.
Document 6: Mentha australis: Mentha australis is known by the common names of river mint, native mint, native peppermint, and Australian mint. It is a mint species within the genus "Mentha".
Document 7: Anacampseros albissima: Anacampseros albissima is a species of succulent plant native to the Karoo desert of South Africa.
Document 8: Verticordia sect. Micrantha: Verticordia" sect. "Micrantha is one of eleven sections in the subgenus "Verticordia". It includes three species of plants in the genus "Verticordia". Plants in this section small shrubs with tiny flowers smelling faintly like mice. The floral cup has five ribs on its sides. When Alex George reviewed the genus in 1991 he formally described this section, publishing the description in the journal Nuytsia The name "Micrantha" is derived from the Ancient Greek "mikros" meaning "small" and "anthos" meaning "flower" in reference to the small flowers of plants in this section.
Document 9: Titanopsis: Titanopsis is a genus of about 10 species of succulent plants of the family Aizoaceae, indigenous to the arid regions of South Africa and Namibia.
Document 10: Prostanthera magnifica: Prostanthera magnifica, commonly known as magnificent prostanthera, is a flowering plant in the family Lamiaceae. It is endemic to Western Australia. The species is a shrub growing to between 0.4 and 2.5 metres high. The flowers are mauve to pink and are framed by large, purplish-red calyces. These appear between August and November in the species native range.
Document 11: Prostanthera rotundifolia: Prostanthera rotundifolia (roundleaf mint bush) is a species of flowering plant in the family Lamiaceae, one of about 90 Australian endemic species from the genus "Prostanthera". Its native distribution is in South Australia, New South Wales, Victoria and Tasmania. The species is listed as vulnerable in Tasmania.
Document 12: Ceropegia: Ceropegia is a genus of plants within the family Apocynaceae, native to Africa, southern Asia, and Australia. It was named by Carl Linnaeus, who first described this genus in volume 1 of his "Species plantarum", which appeared in 1753. Linnaeus thought that the flowers looked like a fountain of wax. From this the scientific name was derived: ‘"keros"’ meaning wax and ‘"pege"’ meaning fountain (Pooley, 1998). They have many common names including lantern flower, parasol flower, parachute flower, bushman’s pipe, string of hearts, snake creeper, wine-glass vine, rosary vine, and necklace vine.
Document 13: Lithops: Lithops is a genus of succulent plants in the ice plant family, Aizoaceae. Members of the genus are native to southern Africa. The name is derived from the Ancient Greek words λίθος ("lithos"), meaning "stone," and ὄψ ("ops"), meaning "face," referring to the stone-like appearance of the plants. They avoid being eaten by blending in with surrounding rocks and are often known as pebble plants or living stones. The formation of the name from the Greek "-ops" means that even a single plant is called a Lithops.
Document 14: Mentha: Mentha (also known as mint, from Greek "míntha", Linear B "mi-ta") is a genus of plants in the family Lamiaceae (mint family). It is estimated that 13 to 18 species exist, and the exact distinction between species is still unclear. Hybridization between some of the species occurs naturally. Many other hybrids, as well as numerous cultivars, are known.
Document 15: Anacampseros: Anacampseros is a genus comprising about a hundred species of small perennial succulent plants native to Southern Africa. The botanical name "Anacampseros" is an ancient one for herbs supposed to restore lost love.
ground_truth: Anacampseros