Polianthes is a formerly recognized genus of plants in family Asparagaceae, subfamily Agavoideae. molecular phylogenetic studies showed that Polianthes is embedded within the larger genus Agave, which has been expanded to include it. One of its former members is the tuberose, Agave amica, formerly Polianthes tuberosa, a plant that is commonly used in perfume making.
Ruellia is a genus of flowering plants commonly known as ruellias or wild petunias. They are not closely related to petunias (Petunia) although both genera belong to the same euasterid clade. The genus was named in honor of Jean Ruelle, herbalist and physician to Francis I of France and translator of several works of Dioscorides.
Ruellia brevifolia, the tropical wild petunia or red Christmas pride, is an ornamental plant in the family Acanthaceae. It is native to South America, from Colombia to southern Brazil and northern Argentina.
Ruellia simplex, the Mexican petunia, Mexican bluebell or Britton's wild petunia, is a species of flowering plant in the family Acanthaceae. It is a native of Mexico, the Caribbean, and South America. It has become a widespread invasive plant in Florida, where it was likely introduced as an ornamental before 1933.
Ruellia vindex is a plant native to Brazil, Guyana and Venezuela. This plant is cited in Flora Brasiliensis by Carl Friedrich Philipp von Martius.
Ruellia capitata is a plant native to Cerrado vegetation of Argentina, Brazil, and Paraguay.
Ruellia nitens is a plant native to the Cerrado vegetation of Brazil. This plant is cited in Flora Brasiliensis by Carl Friedrich Philipp von Martius.
Ruellia macrantha, or Christmas pride, is a plant native to the cerrado vegetation of Brazil, which is usually used as an ornamental plant. This plant is cited in Flora Brasiliensis by Carl Friedrich Philipp von Martius.
Ruellia diffusa is a plant native to the Cerrado vegetation of Brazil.
Nemastylis geminiflora is a perennial herb also known as the prairie celestial and prairie pleatleaf. It is common on the black soil prairies in Texas, and can also be found as far north as Missouri and as far east as Alabama. It has an inflorescence on stems 8-11 centimeters long, arising from a subterranean stem and bulb that is 2–3 cm in diameter.
Aechmea geminiflora is a species of plant in the family Bromeliaceae. It is endemic to Tungurahua Province in Ecuador. Its natural habitat is subtropical or tropical moist montane forests. It is threatened by habitat loss.
Phyllostemonodaphne is a monotypic genus of flowering plants in the family Lauraceae containing the single species Phyllostemonodaphne geminiflora. It is endemic to Brazil, where it is known from Espírito Santo, Minas Gerais, and the state of Rio de Janeiro. Most collections have been made near the city of Rio de Janeiro.
Agave geminiflora is a species of Agave endemic to the Mexican State of Nayarit. Common name is twin flowered agave.
{{taxobox |image =Nemastylis floridana.jpg |image_caption =Nemastylis floridana |regnum =Plantae |unranked_divisio =Angiosperms |unranked_classis =Monocots |ordo =Asparagales |familia =Iridaceae |subfamilia =Iridoideae |tribus =Tigridieae |genus =Nemastylis |genus_authority =Nuttall |type_species =Nemastylis geminiflora |type_species_authority =Nuttall |synonyms_ref= |synonyms=
Tillandsia geminiflora is a species in the genus Tillandsia. This species is native to Brazil, Suriname, Paraguay, Uruguay, and the Misiones Province of Argentina.
Ruellia tuberosa, also known as minnieroot, fever root, snapdragon root and sheep potato, is a species of flowering plant in the family Acanthaceae. Its native range is in Central America but presently it has become naturalized in many countries of tropical South and Southeast Asia.
Ruellia makoyana, the monkey plant or trailing velvet plant, is a species of flowering plant in the family Acanthaceae, native to Brazil. It is an evergreen perennial growing to 60 cm (24 in) tall by 45 cm (18 in) wide, with white-veined hairy leaves and trumpet-shaped pink flowers in summer.
Agave coetocapnia is a species of flowering plant in the family Asparagaceae, native to Mexico. It was first described in 1824 as Bravoa geminiflora. It has been known by several other scientific names, including, in whole or part, Polianthes geminiflora. It has been cultivated as an ornamental plant.
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